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MLBGame PreviewsBaltimore Orioles at Boston Red Sox
Baltimore OriolesBaltimore Orioles
@
Fenway Park
Boston Red SoxBoston Red Sox

Match Predictor

Pre-match Prediction
Baltimore Orioles
@
Boston Red Sox
Baltimore Orioles 45%Boston Red Sox 55%
Market LinesRun Line: Boston Red Sox -0.5Total: O/U 8.5
Model: Under 8.5
Model projects 8.0 total runs vs 8.5 line

Baltimore Orioles

0022446688101012121414OVERUNDERO/U 8.5Runs ScoredRuns Allowed
All Over 8.5
53%
32/60
MLB: 48%
Starter
36%
4/11
vs BOS
67%
2/3
Avg Total
9.8
MLB: 8.9
Game Starter (11) Last Starter vs BOS vs BOS (3)
Shane Baz #34 · RHP · Age 27
4.48
ERA (2026)
8.0
K/9 (2026)
11
Starts (2026)
8.5
Avg Total (2026)
Last 3:
W TB (May 26): 7.0IP, 1ER, 9K
ND @TB (May 20): 6.0IP, 1ER, 6K
L @WSH (May 15): 7.0IP, 3ER, 4K
vs BOS: W (Apr 14 2025): 6.0 IP, 1 ER, 11 K
Bullpen (2026 Season)Average
ERA: 4.43MLB Avg: 3.959 relievers
Recent: W 11-2L 1-2L 5-6W 6-5W 9-5
Lineup vs Shane Baz (Career)
BatterPosPAAVGOPSHR
Jarren DuranLF15.1430.4140
Wilyer AbreuRF9.2500.5830
Ceddanne RafaelaCF7.3330.7620
Masataka YoshidaDH6.0000.1670
Carlos NarvaezC5.2000.4000
Connor WongC5.0000.0000
Isiah Kiner-Falefa2B4.2500.5000
Marcelo Mayer2B4.5001.7500
Mickey GasperC3.0000.0000
Willson Contreras1B3.0000.3330
3 batters with no matchup history

Boston Red Sox

0022446688101012121414OVERUNDERO/U 8.5Runs ScoredRuns Allowed
All Over 8.5
41%
24/58
MLB: 48%
Starter
18%
2/11
vs BAL
67%
2/3
Avg Total
8.1
MLB: 8.9
Game Starter (11) Last Starter vs BAL vs BAL (3)
Connelly Early #71 · LHP · Age 24
2.95
ERA (2026)
8.4
K/9 (2026)
11
Starts (2026)
6.5
Avg Total (2026)
Last 3:
W ATL (May 27): 7.0IP, 0ER, 7K
W @KC (May 20): 6.1IP, 3ER, 5K
ND @ATL (May 15): 5.0IP, 2ER, 6K
vs BAL: W (Apr 26 2026): 6.2 IP, 2 ER, 4 K
Bullpen (2026 Season)Average
ERA: 4.34MLB Avg: 3.959 relievers
Workload Alert: Allowed 10 runs on 2026-05-28 vs ATL. Bullpen arms likely still recovering.
Recent: W 8-0L 2-10L 3-4W 9-1W 9-4
Lineup vs Connelly Early (Career)
BatterPosPAAVGOPSHR
Adley RutschmanC3.3330.6660
Gunnar HendersonSS3.3331.6661
Pete Alonso1B3.0000.0000
Samuel BasalloC3.6672.3341
Taylor WardLF3.0000.3330
NeillRF3.0000.0000
Blaze Alexander3B2.0000.0000
Jeremiah Jackson2B2.0000.0000
5 batters with no matchup history
Our Top PicksLive Odds
Top PickBaltimore Orioles +1.5 (-179) | MEDIUM c
Baltimore Orioles +1.5 (-179) | MEDIUM confidence The analyst's predicted flow for this game lands in a one-run Boston win, a tight 4-3 finish where B...
PickUnder 8.5 Runs (-103) | LOW confidence T
Under 8.5 Runs (-103) | LOW confidence The model is essentially aligned with the 8.5 market line, so this one carries minimum confidence and should be...
PickConnelly Early Over 5.5 Strikeouts (-132
Connelly Early Over 5.5 Strikeouts (-132) | MEDIUM confidence This is the cleanest single-bet expression of tonight's edge. Early's 2026 K rate of 8.4...

Baltimore Orioles vs Boston Red Sox Game Preview

In tonight's MLB action at Fenway Park, the starting pitcher matchup is the story, and it isn't close. Connelly Early takes the hill for the Boston Red Sox with a 2.95 ERA, 57 strikeouts in 61 innings, and a 7-inning shutout of Atlanta in his last outing. He has back-to-back wins and six days of rest heading in. Opposing him is Shane Baz, carrying a 4.48 ERA and a 2-5 record for the Baltimore Orioles. Baz has genuinely sharpened up lately, holding Tampa Bay to 1 earned run in 7 innings twice over his last two starts, including 9 strikeouts in the most recent outing. That recent form matters. But the gap between Early and Baz in 2026 is real, and the platoon mismatch underneath it is wider still.

The key structural angle here is Baltimore's 6-13 record against left-handed pitching in 2026, the worst mark in baseball. That split is not a small-sample fluke. Several Orioles bats are genuinely compromised against lefties: Coby Mayo's OPS drops from 1.013 against righties to .466 against lefties, Colton Cowser sits at .222, and Tyler O'Neill checks in at .252. Early is a left-hander with real command (22 walks in 61 innings) and a K rate that gives him the upside to attack this lineup, not just survive it. He already faced this Baltimore club on April 26 and went 6.2 innings with 2 earned runs. Solid but not perfect, which is the template for tonight.

Baltimore's best cards are Basallo and Henderson. Basallo has posted a 1.529 OPS over the last seven days, making him the hottest bat on either roster right now, and his three career plate appearances against Early have produced 2 hits and a home run. Henderson has also done damage in 3 career PA against Early, posting a 1.666 OPS with a home run in that sample. Both samples are tiny, but they confirm Early is not untouchable and that either bat could change momentum in the early innings. On Boston's side, Kiner-Falefa is hitting .311 on the season with a 1.065 OPS over the last seven days, and Contreras carries a .827 OPS against right-handers, giving the Red Sox legitimate production in the middle of the order against Baz.

One wrinkle behind all of this is the Boston bullpen. Garrett Crochet, who has been working back from shoulder inflammation, developed lat tightness and paused his throwing program, with an MRI scheduled this week. Crochet downplayed the situation, saying: "Feels like a very minor setback. It doesn't feel like it even deserves that title." That optimism is noted, but if this game gets tight in the seventh or eighth, Boston's bullpen depth matters more than usual. Both teams enter Game 1 of this series with fully rested bullpens, which cuts both ways and keeps late-inning scenarios live.

Baltimore Orioles vs Boston Red Sox Key Insights

  • Early's 2.95 ERA and 57 strikeouts in 61 innings make him the best pitcher in this game by a clear margin. Baltimore's 6-13 record versus left-handed pitching is a systemic problem that does not resolve in a single game, and it directly amplifies Early's advantage tonight.
  • Baz has tightened up his last two starts significantly, but his 2-5 record in 2026 and Baltimore's 1-5 record in his starts as underdog points to a recurring execution problem that two good outings haven't erased. The structural context around him remains unfavorable.
  • Basallo (1.529 OPS last 7 days) and Henderson are the genuine threats to crack Early early. Their small-sample career numbers against him include two combined home runs, meaning neither is a passive at-bat even while their teammates are being neutralized by the platoon edge.
  • Boston carries a 9-19 home record at Fenway this season, one of the most extreme home-away splits in baseball. They are actually 16-14 on the road. Fenway is actively working against this team, which undercuts the typical home-team advantage logic and explains why neither side cleared value on the moneyline tonight.
  • Fenway's run factor of 1.06 is modest, and the HR factor of 0.96 slightly suppresses power output. Neither number pushes this game firmly over 8.5 runs, especially with two fresh starters, two rested bullpens, and Early's command profile working against a Baltimore lineup built to struggle against lefties.
  • The Crochet lat situation adds a real late-inning uncertainty layer. If Early exits with a one-run lead, Boston's bullpen is leaner than advertised, which makes the run-line position on Baltimore smarter than a flat moneyline wager on either side.

Baltimore Orioles vs Boston Red Sox Betting Picks

Picks made June 02, 2026 at 04:23 AM ET. Odds shown reflect current market prices.

Under 8.5 Runs (-103) | LOW confidence T
Under 8.5 Runs (-103) | LOW confidence The model is essentially aligned with the 8.5 market line, so this one carries minimum confidence and should be treated as a lean, not a conviction play. That said, the qualitative case for the under is real. Early's LHP command is built to suppress a Baltimore lineup that is 6-13 versus southpaws, with multiple bats carrying sub-.300 OPS against lefties. Baz allowed 1 earned run or fewer in two of his last three starts. Both starters are well-rested. Neither bullpen has been used this series. Fenway's 1.06 run factor doesn't meaningfully inflate the line. The edge doesn't care what sport you're watching, and here the edge is quiet but directionally clear.
Moneyline
Moneyline: No Pick The implied win probability for Boston based on the -128 moneyline sits at around 56.2% market-implied. The model sees this game as roughly similar in probability. That gap falls well inside the noise threshold where no bet holds real value, so neither side clears the bar. The contrarian case for Baltimore at +118 is legitimate: Baz's last two starts were genuinely sharp, the Orioles are 7-3 in their last 10 games, and Boston's 9-19 home record makes the Fenway edge illusory. But Early's LHP platoon advantage against a 6-13-versus-lefties lineup is the more durable game-level edge, and it isn't enough to overcome that advantage for either direction to pay off cleanly. Skipping the moneyline is the honest position tonight.
Analysis insight — no specific bet associated
Connelly Early Over 5.5 Strikeouts (-132
Connelly Early Over 5.5 Strikeouts (-132) | MEDIUM confidence This is the cleanest single-bet expression of tonight's edge. Early's 2026 K rate of 8.4 per 9 innings projects to 5 to 6 strikeouts in a typical 6-inning outing. In his last three starts, he struck out 7, 5, and 6, going over 5.5 in two of those three. The opponent makes this even more compelling. Baltimore is 6-13 versus left-handed pitching, the worst split in baseball, and carries multiple bats with weak contact profiles against lefties. That combination of pitcher quality and lineup vulnerability is the exact environment where strikeout volume climbs. The -132 price reflects market awareness of Early's ability, but the over is still the play given the structural matchup.
Jarren Duran Under 0.5 Hits (+174) | MED
Jarren Duran Under 0.5 Hits (+174) | MEDIUM confidence Duran's career line against Baz is the largest BvP sample in this entire matchup: 15 plate appearances, a .143 batting average, and a .414 OPS. The 2025 improvement to a .555 OPS in 9 PA is worth noting, so the trend has moved in Duran's direction year over year. But the overall career mark across a meaningful 15-PA sample still reflects Baz's consistent ability to retire him. At +174, the market is pricing this close to a coin flip, which undersells the career history. A hitless game is the more probable outcome based on that data, and +174 offers real value for the under.
Masataka Yoshida Under 0.5 Hits (+166) |
Masataka Yoshida Under 0.5 Hits (+166) | MEDIUM confidence Yoshida is 0-for-6 with a .167 OPS in his career against Baz. The pattern holds across two separate seasons: both 2024 (0.000 OPS in 3 PA) and 2025 (0.333 OPS in 3 PA) show Baz retiring him without a hit every time. His 2026 season average of .259 provides no counterweight when the BvP is 0-for-6 with directional consistency across multiple years. The +166 price implies just 37.6% probability on the under. That's too low given the historical picture, and this is one of the sharper props on the board tonight.
Pete Alonso Under 1.5 Total Bases (-169)
Pete Alonso Under 1.5 Total Bases (-169) | MEDIUM confidence Alonso is 0-for-3 with a .000 OPS in his 2026 plate appearances against Early. Beyond the small-sample BvP, his season OPS against left-handed pitching is .610, compared to .814 against righties. That is a significant platoon gap, and Early is a lefty with a 2.95 ERA and real command. Fenway's HR park factor of 0.96 lightly suppresses power output, further limiting Alonso's best path to extra bases. Under 1.5 total bases requires him to be held to one single or go hitless. Both are plausible outcomes given his pronounced struggles against left-handed pitching and Early's current form.
Leody Taveras Under 0.5 Hits (+116) | LO
Leody Taveras Under 0.5 Hits (+116) | LOW confidence Taveras carries the weakest LHP split on the Baltimore roster, posting a .519 OPS against left-handed pitching. There is no career BvP data available against Early, so the case rests on the platoon split and the broader team context of Baltimore going 6-13 versus lefties this season. The +116 price implies 46.3% probability on the under, which represents slight value given the structural disadvantage. This is low confidence, treat it accordingly, but the directional lean is clear and consistent with the rest of the card.
Same-Game Parlay, 5 legs
Same-Game Parlay, 5 legs: Baltimore Orioles +1.5, Under 8.5 runs, Early over 5.5 strikeouts, Duran under 0.5 hits, Yoshida under 0.5 hits The thesis flows from one central premise: Early pitches a dominant, high-strikeout game against a platoon-disadvantaged Baltimore lineup. If that happens, runs are suppressed, individual hitters like Duran and Yoshida go hitless, and Baltimore stays within 1.5 runs of a Boston team that isn't blowing anyone out at Fenway in 2026. All five legs connect logically. The correlation between Early's strikeout performance and the individual hit unders on Duran and Yoshida is the load-bearing joint in this parlay. The legs reinforce each other rather than pulling in opposite directions, which is what makes a SGP worth building in the first place.
Analysis insight — no specific bet associated

Key Players

Batting AverageBAL
Taylor Ward
.248Batting Average
LF
Home RunsBAL
Gunnar Henderson
13Home Runs
SS
Runs Batted InBAL
Pete Alonso
36Runs Batted In
1B
Earned Run AverageBAL
Kyle Bradish
3.44Earned Run Average
SP
WinsBAL
Chris Bassitt
4Wins
SP
StrikeoutsBAL
Kyle Bradish
65Strikeouts
SP
Batting AverageBOS
Willson Contreras
.286Batting Average
1B
Home RunsBOS
Willson Contreras
11Home Runs
1B
Runs Batted InBOS
Willson Contreras
33Runs Batted In
1B
Earned Run AverageBOS
Connelly Early
2.95Earned Run Average
SP
WinsBOS
Sonny Gray
6Wins
SP
StrikeoutsBOS
Ranger Suarez
57Strikeouts
SP

Recent Form

Baltimore Orioles
W11-2Tampa Bay Rays
L2-1Toronto Blue Jays
L6-5Toronto Blue Jays
W6-5Toronto Blue Jays
W9-5Toronto Blue Jays
Boston Red Sox
W8-0Atlanta Braves
L10-2Atlanta Braves
L4-3Cleveland Guardians
W9-1Cleveland Guardians
W9-4Cleveland Guardians

Baltimore Orioles vs Boston Red Sox Summary

The edge in this game runs through one arm. Early's 2.95 ERA and left-handed command against a Baltimore lineup that is 6-13 versus lefties is the most durable structural advantage on the board tonight. The analyst's predicted flow lands in a tight Boston win, somewhere in the 4-3 range, which is a one-run game that describes the Orioles +1.5 position perfectly. Boston is not a team that blows leads or blows out opponents at home in 2026. They are 9-19 at Fenway, a genuinely poor home team this season, and a Red Sox club built around Early's ability to limit damage rather than manufacture runs. If Early gets through six innings efficiently, the game plays out close, and Baltimore's +1.5 coverage holds.

The best single angle on tonight's card is Early over 5.5 strikeouts. It ties directly to the platoon mismatch, it has support in his last three start logs (7, 5, and 6 Ks), and it pays a reasonable -132 for a pitcher averaging 8.4 K per 9 innings against a lineup built to struggle against lefties. The under 8.5 at -103 is a low-confidence lean that follows the qualitative picture without model backing, best played lightly. The five-leg SGP brings those pieces together with the individual hit unders on Duran and Yoshida, whose career numbers against Baz are both ugly and directionally consistent across multiple seasons. For the moneyline, neither side cleared the value threshold, and that is an honest position worth holding rather than forcing a pick where the edge doesn't exist.

The caveat is real. Basallo is genuinely dangerous, and Henderson has shown he can do damage against Early in limited looks. One crooked early-inning number changes how both bullpens get deployed and puts the under at risk. Treat the +1.5 as the structural position, the strikeout over as the cleanest expression of the edge, and the SGP as the high-upside combination for those comfortable with parlays. Baz's recent improvement deserves respect, but two sharp starts don't erase a season-long platoon problem. For the full slate, see our MLB picks today, NRFI picks, and player props.

Head-to-Head History

DateMatchupResult
Mar 01, 2026BAL @ BOSBALBAL 8-7

Compare odds for BAL @ BOS

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MLBGame PreviewsBaltimore Orioles at Boston Red Sox