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Match Predictor
Pre-match Prediction
Boston Red Sox 62%Athletics 38%
Market LinesRun Line: Boston Red Sox -1.5Total: O/U 9.5
↓
Model: Under 9.5
Model projects 8.9 total runs vs 9.5 line
Boston Red Sox
All Over 9.5
29%
30/104
MLB: 48%
Starter
25%
4/16
vs ATH
—
—
Avg Total
8.0
MLB: 8.9
Game Starter (16) Last Starter vs ATH vs ATH (0)
Payton Tolle #70 · LHP · Age 24
3.31
ERA (2026)
9.7
K/9 (2026)
16
Starts (2026)
7.8
Avg Total (2026)
Last 3:
ND BAL (Jul 20): 5.2IP, 4ER, 9K
ND @NYM (Jul 12): 3.2IP, 1ER, 7K
W @CHW (Jul 07): 6.0IP, 0ER, 6K
ND BAL (Jul 20): 5.2IP, 4ER, 9K
ND @NYM (Jul 12): 3.2IP, 1ER, 7K
W @CHW (Jul 07): 6.0IP, 0ER, 6K
vs ATH: ND (Sep 10 2025): 2.0 IP, 2 ER, 2 K
Bullpen (2026 Season)Average
ERA: 3.79MLB Avg: 3.958 relievers
Recent: W 6-3L 1-5W 6-4L 0-6W 6-1
Lineup vs Payton Tolle (Career)
| Batter | Pos | PA | AVG | OPS | HR |
|---|---|---|---|---|---|
| Nick Kurtz | 1B | 3 | .333 | 1.666 | 1 |
| Jacob Wilson | SS | 2 | .000 | 0.000 | 0 |
| Lawrence Butler | RF | 2 | .500 | 1.000 | 0 |
| Tyler Soderstrom | LF | 2 | .000 | 0.000 | 0 |
| Colby Thomas | RF | 1 | .000 | 0.000 | 0 |
8 batters with no matchup history
Athletics
Bullpen ERA 5.25 (poor). Late innings could add runs.
All Over 9.5
49%
51/105
MLB: 48%
Starter
57%
4/7
vs BOS
—
—
Avg Total
10.1
MLB: 8.9
Game Starter (7) Last Starter vs BOS vs BOS (0)
Jack Perkins #50 · RHP · Age 27
6.75
ERA (2026)
11.0
K/9 (2026)
7
Starts (2026)
10.7
Avg Total (2026)
Last 3:
ND @ARI (Jul 21): 5.0IP, 3ER, 4K
L @DET (Jul 09): 3.0IP, 3ER, 2K
L MIA (Jul 03): 3.2IP, 7ER, 8K
ND @ARI (Jul 21): 5.0IP, 3ER, 4K
L @DET (Jul 09): 3.0IP, 3ER, 2K
L MIA (Jul 03): 3.2IP, 7ER, 8K
Bullpen (2026 Season)Poor
ERA: 5.25MLB Avg: 3.9510 relievers
⚠
Workload Alert: Allowed 15 runs on 2026-07-22 vs ARI. Bullpen arms likely still recovering.
Recent: L 5-6L 5-15W 2-0L 0-2L 8-11
Lineup vs Jack Perkins (Career)
No career matchup data — first meaningful meeting
Our Top PicksLive Odds
Top PickRed Sox -1.5 (-106) | HIGH Confidence. T
Red Sox -1.5 (-106) | HIGH Confidence. The run line at essentially even money is the primary play. Oakland is 4-16 in their last 20 games and 12-25 ag...
PickUnder 9.5 (-105) | LOW Confidence. Tolle
Under 9.5 (-105) | LOW Confidence. Tolle's 3.31 ERA should suppress Oakland's run contribution significantly. Even if Perkins gives up 4-5 Boston runs...
PickBoston Red Sox ML (-172) | MEDIUM Confid
Boston Red Sox ML (-172) | MEDIUM Confidence. The market implies a 63.3% Boston win probability. The Red Sox are 29-21 on the road this season against...
Boston Red Sox vs Athletics Game Preview
The cleanest starting pitcher mismatch on tonight's MLB slate sits in Sacramento. Payton Tolle, a 24-year-old lefty who has developed into Boston's steadiest rotation piece, takes the ball with a 3.31 ERA over 89.2 innings in 2026. Across from him, Jack Perkins carries a 6.75 ERA and a recent line that includes a 3.2-inning, 7-run outing against Miami on July 3. These are not comparable arms right now, and the entire case for tonight starts there.
The Boston Red Sox come in riding a 17-3 stretch over their last 20 games, with a 29-21 road record that is measurably better than what the Athletics have done at home (20-30 at Sutter Health Park). Sacramento's park factors sit at a neutral 1.0 for both runs and home runs, so the venue itself is not shaping the outcome in either direction. What is shaping Boston's upside is Willson Contreras. He is hitting .288/.388/.547 with 22 home runs and a 1.121 OPS over the last 28 days. His OPS against right-handed pitching is .911 this season. Perkins has allowed 11 home runs in 62.2 innings in 2026, a pace of roughly 1.58 per nine. That combination is a real problem for Oakland's starter tonight.
Oakland comes in broken. The Athletics are 4-16 over their last 20 games and 12-25 against left-handed pitching this season, one of the worst LHP splits in the AL. Tolle's small 2025 BvP sample against this lineup is not encouraging for Oakland: Soderstrom went 0-for-2 against him, and Wilson went 0-for-2. Nick Kurtz went 1-for-3 with a home run against Tolle last season and is the most credible threat in the Oakland order tonight, slashing .264/.402/.499 with 21 home runs. But three plate appearances is not a pattern, and Tolle's 96 strikeouts over 89.2 innings this year suggest the advantage belongs to the pitcher in that spot.
Both starters come in on extended rest, seven days for Tolle and six for Perkins. Fresh arms reduce early-inning meltdown risk slightly for Perkins, but his ERA is too far underwater for that to be reassuring. He has failed to complete five innings in two of his last three starts. The outs market prices him at 14.5 outs, implying roughly five innings, and that ceiling is doing a lot of work in tonight's projections for Oakland's offense.
Boston Red Sox vs Athletics Key Insights
- Tolle struck out 9, 7, and 6 batters in his last three starts and cleared 5.5 in all three. The Athletics are 12-25 against left-handed pitching this season, making his strikeout prop the most data-supported number on tonight's board.
- Perkins has allowed 11 home runs in 62.2 innings in 2026 and has exited before the fifth inning in two of his last three starts. Even with six days of rest, his 6.75 ERA signals a pitcher who cannot be trusted to limit damage against a lineup this hot.
- Boston's road record (29-21) outpaces Oakland's home record (20-30) at Sutter Health Park. The home-field edge that typically tilts a betting line toward the home team is functionally inverted in this matchup.
- Contreras enters with a 1.121 OPS over the last 28 days and a .911 OPS against right-handed pitching this season. He is the most likely Boston bat to accumulate total bases against Perkins, and there is no career BvP data suggesting any historical resistance to this type of matchup.
- The contrarian case for Athletics +1.5 centers on Tolle's two abbreviated recent outings (3.2 IP and 5.2 IP). If Oakland scratches runs against Boston's relievers after an early hook, the run line margin tightens. It is a real scenario. It is just not the most likely outcome given how badly this lineup has struggled against southpaws all season.
- Jarren Duran is hitting .198 on the season in 414 plate appearances. His OPS against left-handed pitching is .590. He faces Tolle tonight, a lefty running a 9.66 strikeout rate per nine innings. The hitless outcome is a genuinely competitive probability despite what the market implies.
Boston Red Sox vs Athletics Betting Picks
Picks made July 27, 2026 at 05:42 AM ET. Odds shown reflect current market prices.
Red Sox -1.5 (-106) | HIGH Confidence. T
Red Sox -1.5 (-106) | HIGH Confidence. The run line at essentially even money is the primary play. Oakland is 4-16 in their last 20 games and 12-25 against left-handed pitching. Perkins carries a 6.75 ERA and has failed to complete five innings twice in his last three starts. The talent gap between these two starters is as wide as any matchup tonight, and -106 for Boston to win by two or more does not reflect that gap accurately. This is the bet.
Under 9.5 (-105) | LOW Confidence. Tolle
Under 9.5 (-105) | LOW Confidence. Tolle's 3.31 ERA should suppress Oakland's run contribution significantly. Even if Perkins gives up 4-5 Boston runs before exiting, the Athletics projecting to 2-3 runs against a quality lefty makes 9.5 a ceiling for the combined total rather than a floor. LOW confidence reflects the absence of a clear statistical edge at this number. Treat it as a supporting play in the SGP rather than a standalone bet.
Boston Red Sox ML (-172) | MEDIUM Confid
Boston Red Sox ML (-172) | MEDIUM Confidence. The market implies a 63.3% Boston win probability. The Red Sox are 29-21 on the road this season against an Athletics team that is 20-30 at home. The 17-3 versus 4-16 form divergence over the last 20 games, combined with the Tolle-versus-Perkins quality gap, puts the true win probability closer to 67-68%. That clears the threshold for modest value. The -1.5 run line offers better juice and is the sharper play, but the moneyline is a reasonable alternative framing.
Payton Tolle Over 5.5 Strikeouts (-152)
Payton Tolle Over 5.5 Strikeouts (-152) | HIGH Confidence. This is the cleanest prop on the board. Tolle struck out 9, 7, and 6 batters in his last three outings, clearing 5.5 in all three. His 2026 strikeout rate works out to 9.66 per nine innings. He faces an Athletics lineup that is 12-25 against left-handed pitching and that showed almost no contact against him in their limited 2025 BvP data. Seven days of rest means a full arsenal. At -152, the price reflects the volume of supporting evidence behind this number.
Jack Perkins Under 4.5 Strikeouts (-109)
Jack Perkins Under 4.5 Strikeouts (-109) | MEDIUM Confidence. Perkins went 4 K, 2 K, and 8 K in his last three starts. Two of those three outings came in under the 4.5 threshold, and both abbreviated starts capped his strikeout opportunity before he could accumulate. With Boston as a heavy favorite and the real possibility of an early hook, there is meaningful probability Perkins does not reach five strikeouts. At -109, this is fair value given the volatility in his recent outings.
Jarren Duran Under 0.5 Hits (+146) | MED
Jarren Duran Under 0.5 Hits (+146) | MEDIUM Confidence. Duran is hitting .198 in 414 plate appearances this season, a sustained slump. His OPS against left-handed pitching is .590, and tonight he faces Tolle, a lefty running 9.66 strikeouts per nine. A .198 hitter in three or four at-bats goes hitless well over 40% of games. The market prices the over at -213 (68% implied), which overstates his contact rate given the season-long struggles. Under at +146 (40.6% implied) offers positive expected value, with the true probability likely closer to 50%.
Willson Contreras Over 1.5 Total Bases (
Willson Contreras Over 1.5 Total Bases (-110) | MEDIUM Confidence. Contreras has a 1.121 OPS over the last 28 days and a .547 slugging percentage on the season. His OPS against right-handed pitching sits at .911. Perkins is allowing home runs at 1.58 per nine innings in 2026. Clearing 1.5 total bases requires only two singles, a double, or a home run. All three outcomes are attainable for the hottest bat in Boston's lineup against a struggling right-hander in the middle of a difficult season.
Curtis Mead Over 1.5 Total Bases (+100)
Curtis Mead Over 1.5 Total Bases (+100) | LOW Confidence. Mead is hitting .254/.352/.500 with 17 home runs and a 1.053 OPS over the last 28 days. His OPS against right-handed pitching is .817. At +100 (50% implied), there is slight value for a slugger in strong recent form facing a pitcher with a 6.75 ERA. No career BvP data exists between Mead and Perkins, which keeps confidence at LOW, but the price reflects that uncertainty fairly. This is a value play on form alone.
SGP (4 Legs)
SGP (4 Legs): Red Sox -1.5 + Under 9.5 + Tolle Over 5.5 K + Contreras Over 1.5 Total Bases. The four-leg same-game parlay builds a correlated story. Tolle dominating Oakland's lineup suppresses run scoring from the Athletics side (supporting the under), while Boston's offensive edge drives a comfortable run-line cover. Contreras adding total bases is consistent with and dependent on a Boston-controlled game. The legs reinforce each other: Tolle performing well makes the under more likely and the run line cover more likely, and Contreras contributing naturally follows from Boston scoring at will. Parlay odds will vary by book.
Analysis insight — no specific bet associated
NRFI (-111) | LOW Confidence. Tolle's 3.
NRFI (-111) | LOW Confidence. Tolle's 3.31 ERA and 9.66 K/9 suggest he can work through Oakland's first inning cleanly. The Athletics are 12-25 against left-handed pitching this season, which reduces first-inning scoring probability from that side. First-inning specific splits for both starters are unavailable in tonight's data, so this is a contextual read rather than a splits-driven play. LOW confidence reflects that gap. If you want NRFI exposure, the -111 line is fair in context, but do not overweight it without verified first-inning data behind it.
Key Players
Batting AverageBOS
Willson Contreras
.288Batting Average
1B
Home RunsBOS
Willson Contreras
22Home Runs
1B
Runs Batted InBOS
Willson Contreras
66Runs Batted In
1B
Earned Run AverageBOS
Sonny Gray
2.78Earned Run Average
SP
WinsBOS
Sonny Gray
12Wins
SP
StrikeoutsBOS
Ranger Suarez
103Strikeouts
SP
Batting AverageATH
Nick Kurtz
.264Batting Average
1B
Home RunsATH
Shea Langeliers
23Home Runs
C
Runs Batted InATH
Nick Kurtz
69Runs Batted In
1B
Earned Run AverageATH
J.T. Ginn
3.46Earned Run Average
SP
WinsATH
J.T. Ginn
8Wins
SP
StrikeoutsATH
J.T. Ginn
100Strikeouts
SP
Recent Form
Boston Red Sox
W6-3Baltimore Orioles
L5-1Baltimore Orioles
W6-4Toronto Blue Jays
L6-0Toronto Blue Jays
W6-1Toronto Blue Jays
Athletics
L15-5Arizona Diamondbacks
W2-0Minnesota Twins
L2-0Minnesota Twins
L11-8Minnesota Twins
Boston Red Sox vs Athletics Summary
The market gives Boston a 63.3% win probability at -172. That number is slightly low. The Red Sox are 29-21 on the road this season against an Athletics team that is 20-30 at home. Boston has gone 17-3 over the last 20 games while Oakland has gone 4-16. Tolle's 3.31 ERA faces Perkins' 6.75 ERA. The run line at -1.5 for -106 is the primary play tonight. At essentially even money, the market is treating this like a coin flip on margin. The data says it is not. Getting this price on a team this dominant, in this form, against a pitcher this compromised, represents genuine mispricing.
The Tolle strikeout prop is the best standalone number on the board. He has cleared 5.5 in each of his last three starts, he faces a lineup that cannot hit left-handed pitching, and he comes in fresh on seven days of rest. The contrarian argument for Athletics +1.5 deserves acknowledgment. Tolle has had two abbreviated outings (3.2 IP and 5.2 IP) in his last three starts, and if Oakland scrapes runs off Boston's bullpen after an early hook, the run line margin shrinks. That scenario is real. It is just not the most likely outcome given how badly this Oakland lineup has struggled against southpaws all year. Bet with the data, size positions accordingly, and understand that variance can narrow the margin even in the most lopsided matchups.
For the full slate, see our MLB picks today, NRFI picks, and player props.
Red Sox vs Athletics predictions: Tolle (3.31 ERA) vs Perkins (6.75 ERA) in Sacramento. Best bets: Red Sox -1.5 (-106) and Tolle over 5.5 strikeouts.
Frequently Asked Questions
