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MLBGame PreviewsChicago White Sox at St. Louis Cardinals

Score Prediction

Pre-match Prediction
Chicago White Sox
@
St. Louis Cardinals
Chicago White Sox 50%St. Louis Cardinals 50%
Market LinesRun Line: St. Louis Cardinals -0.5Total: O/U 8.5
Model: Under 8.5
Model projects 8.0 total runs vs 8.5 line

Chicago White Sox

0022446688101012121414OVERUNDERO/U 8.5Runs ScoredRuns Allowed
All Over 8.5
54%
80/147
MLB: 48%
Starter
25%
1/4
vs STL
100%
1/1
Avg Total
9.1
MLB: 8.9
Game Starter (4) Last Starter vs STL vs STL (1)
Sean Newcomb #15 · LHP · Age 33
2.71
ERA (2026)
8.0
K/9 (2026)
4
Starts (2026)
6.3
Avg Total (2026)
Last 3:
ND PIT (Sep 09): 1.1IP, 3ER, 0K
ND MIN (Sep 05): 1.2IP, 1ER, 1K
L @HOU (Sep 02): 2.0IP, 2ER, 2K
vs STL: ND (Apr 06 2025): 4.2 IP, 1 ER, 5 K
Bullpen (2026 Season)Average
ERA: 3.83MLB Avg: 3.9513 relievers
Workload Alert: Allowed 9 runs on 2026-09-08 vs PIT. Bullpen arms likely still recovering.
Recent: W 10-1L 3-9L 2-4L 0-2L 3-7
Lineup vs Sean Newcomb (Career)
BatterPosPAAVGOPSHR
Ramon Urias3B4.2500.5000
Masyn WinnSS3.3330.6660
Victor Scott IICF3.5001.1670
Ivan HerreraDH2.0000.5000
Jordan WalkerRF2.10002.0000
Thomas SaggeseLF2.0000.0000
Jose FerminLF1.0000.0000
Nathan ChurchCF1.10003.0000
Nolan Gorman3B1.0000.0000
Pedro PagesC1.0000.0000
4 batters with no matchup history

St. Louis Cardinals

0022446688101012121414OVERUNDERO/U 8.5Runs ScoredRuns Allowed
All Over 8.5
48%
71/148
MLB: 48%
Starter
30%
8/27
vs CHW
100%
1/1
Avg Total
9.2
MLB: 8.9
Game Starter (27) Last Starter vs CHW vs CHW (1)
Kyle Leahy #62 · RHP · Age 29
3.41
ERA (2026)
8.5
K/9 (2026)
27
Starts (2026)
8.1
Avg Total (2026)
Last 3:
ND @COL (Sep 06): 2.2IP, 5ER, 6K
ND PIT (Aug 29): 3.0IP, 1ER, 3K
ND @PHI (Aug 23): 4.0IP, 0ER, 4K
vs CHW: ND (May 05 2024): 2.1 IP, 0 ER, 2 K
Bullpen (2026 Season)Average
ERA: 3.98MLB Avg: 3.959 relievers
Workload Alert: Allowed 8 runs on 2026-09-06 vs COL. Bullpen arms likely still recovering.
Recent: W 10-8L 4-5L 1-2L 6-7W 7-3
Lineup vs Kyle Leahy (Career)
BatterPosPAAVGOPSHR
Brenton DoyleCF3.3330.6660
Andrew BenintendiDH1.10005.0001
Chase Meidroth2B1.0001.0000
Edgar QueroC1.0000.0000
Jake RogersC1.0000.0000
Miguel Vargas3B1.0000.0000
8 batters with no matchup history
Our Top PicksLive Odds
Top PickCardinals -1.0 (+124), MEDIUM confidence
Cardinals -1.0 (+124), MEDIUM confidence (run line). STL won game 1 by four runs and carries home-field continuity into game 2. Newcomb's three-start ...
PickOver 8.5 (-116), LOW confidence (total).
Over 8.5 (-116), LOW confidence (total). The model aligns with the 8.5 line, so there is no directional gap to exploit. But the situational lean towar...
PickJordan Walker Over 1.5 Total Bases (+124
Jordan Walker Over 1.5 Total Bases (+124), MEDIUM confidence (player prop). Walker bats third in the STL lineup facing Newcomb, a left-hander against ...
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Chicago White Sox vs St. Louis Cardinals Game Preview

The Chicago White Sox send Sean Newcomb to Busch Stadium with a 2.71 ERA, and on paper that sounds fine. In reality, Newcomb has not made it past 2.1 innings in any of his last three starts: 1.1 innings and 3 earned runs against Pittsburgh, 1.2 innings and 1 earned run against Minnesota, 2.0 innings and 2 earned runs against Houston. He recorded zero strikeouts in his most recent outing. The St. Louis Cardinals counter with Kyle Leahy (10-4, 3.41 ERA), whose numbers are equally deceptive. His last three starts total just 9.2 innings, including a 2.2-inning, 5-earned-run implosion at Colorado last week. This is game 2 of a three-game set at Busch Stadium, and both starters are going to hand the game to their bullpens early. Plan for it.

STL pulled away 7-3 in game 1 earlier today and carries home-field momentum into tonight's rematch. The Cardinals are 26-19 against left-handed starters this season, a meaningful split with Newcomb on the mound. Chicago enters on a four-game losing streak, is 32-41 on the road, and features a cooling middle of the order: Meidroth carries a .609 OPS over the last 28 days, and Murakami sits at .526 in the same window. That offensive regression is a meaningful context piece as CHW tries to compete on the road in tonight's MLB action.

The game's hottest individual bat belongs to Joshua Báez, who bats fifth in STL's confirmed lineup tonight behind Fermín, Herrera, Walker, and Burleson. Sports Illustrated captured his recent stretch well: he is hitting .326 (14 for 43) with 11 runs scored and 7 RBI in his last 13 games. His L7d OPS is 1.117. Against left-handed pitching, Báez carries a 1.104 OPS, his strongest platoon environment, and Newcomb is a lefty. He has cleared the 1.5 Hits+Runs+RBI threshold in eight consecutive starts. Two spots ahead of him, Jordan Walker brings a .916 OPS vs left-handed pitching and 28 home runs on the season. On the Chicago side, Murakami leads CHW with 31 home runs and an .869 OPS against right-handers, making him the most dangerous bat in the order against Leahy tonight. Busch Stadium runs slightly pitcher-friendly at a 0.98 runs factor and 0.95 HR factor, but that matters less when both starters are historically short.

The market prices this game nearly even: Cardinals at -106, White Sox at -105. A contrarian read exists. Leahy's 5-earned-run, 2.2-inning start at Colorado last outing is as alarming as anything Newcomb has done recently, and CHW's power bats against right-handed pitching are real. Vargas has 30 home runs, Murakami has 31. But neither side clears a meaningful moneyline value threshold, and STL's home-field edge combined with CHW's four-game road skid is the tiebreaker. The edge in this game runs through the run line, not the moneyline.

Chicago White Sox vs St. Louis Cardinals Key Insights

  • Neither starter is expected to last past the third inning. Newcomb has topped 2.0 IP just once in three tries; Leahy has cleared 4.0 IP just once in three. Both teams are running extended bullpen games from the second or third frame forward.
  • STL is 26-19 vs left-handed starters this season. Báez carries a 1.104 OPS vs LHP and has cleared the 1.5 Hits+Runs+RBI threshold in eight straight starts, making him the game's sharpest platoon edge facing Newcomb tonight.
  • CHW is on a four-game losing streak with a 32-41 road record. Their middle of the order is cooling: Meidroth at .609 OPS and Murakami at .526 OPS over the last 28 days reduce Chicago's run-scoring upside at Busch Stadium.
  • The Over 8.5 sits exactly where the model projects directionally. Both starters in meltdown form, plus Murakami (31 HR), Vargas (30 HR), Walker (.916 vL OPS), and Báez (1.117 L7d OPS) all in the lineup, tilt the situational case marginally to the Over despite no model gap.
  • Walker and Herrera form a high-leverage duo in the 3-4 spots of the lineup against Newcomb. Walker carries a .916 vL OPS; Herrera posts an .841 OPS over the last seven days. Both Over 1.5 total bases props at +124 are data-supported at that price.
  • Masyn Winn has posted a 0.000 OPS over the last seven days with a .234 season average. Under 0.5 hits at +110 is a concrete, plus-money lean on a cold contact hitter the market is significantly underrating.

Chicago White Sox vs St. Louis Cardinals Betting Picks

Picks made September 12, 2026 at 05:37 AM ET. Odds shown reflect current market prices.

Over 8.5 (-116), LOW confidence (total).
Over 8.5 (-116), LOW confidence (total). The model aligns with the 8.5 line, so there is no directional gap to exploit. But the situational lean toward the Over is real: Newcomb allowed earned runs in all three of his last starts and posted zero strikeouts in his most recent outing, while Leahy's last start produced 5 earned runs in 2.2 innings. Heavy bullpen exposure on both sides, plus power from Murakami, Vargas, Walker, and Báez, tilts this marginally Over. Size this down because the edge is thin.
Cardinals ML, No pick (moneyline). At -1
Cardinals ML, No pick (moneyline). At -106 Cardinals and -105 White Sox, the market has declared this a near-coin flip. The contrarian case for CHW is real: Leahy's recent form is just as alarming as Newcomb's, and Murakami and Vargas give Chicago genuine power against a right-hander. But neither side clears the minimum value threshold. The Cardinals -1.0 at +124 captures the same directional lean at a meaningfully better price. Pass the moneyline entirely.
Analysis insight — no specific bet associated
Jordan Walker Over 1.5 Total Bases (+124
Jordan Walker Over 1.5 Total Bases (+124), MEDIUM confidence (player prop). Walker bats third in the STL lineup facing Newcomb, a left-hander against whom he carries a .916 OPS. That is one of the strongest platoon advantages in this game. Newcomb has allowed runs in each of his last three starts and recorded zero strikeouts in his most recent outing, signaling real command deterioration. At +124 (44.6% implied), the market undervalues a 28-HR bat in a prime platoon spot. Walker's L7d OPS of .390 is the main risk; that cold stretch keeps this at MEDIUM, not HIGH.
Iván Herrera Over 1.5 Total Bases (+124)
Iván Herrera Over 1.5 Total Bases (+124), MEDIUM confidence (player prop). Herrera bats second in the STL lineup, giving him high-leverage at-bats early against a starter who lasted just 1.1 innings in his last outing. Herrera posts an .841 OPS over the last seven days, genuine recent heat. At +124 (44.6% implied), the market prices this below what a second-spot DH in good form should command against a deteriorating left-hander. Career BvP vs Newcomb is just 2 PA and carries no signal either way. The main risk: Newcomb's 20 days of rest could produce a sharper first inning before the fade sets in.
Masyn Winn Under 0.5 Hits (+110), MEDIUM
Masyn Winn Under 0.5 Hits (+110), MEDIUM confidence (player prop). Winn's L7d OPS is 0.000, zero hits over the last seven days. His season average sits at .234, and his vR OPS against right-handers is .588. He faces Newcomb (LHP) tonight, where his vL OPS of .745 offers a better split, but a seven-day hitless drought is the dominant signal for a low-average shortstop. At +110 (47.6% implied), the market calls this essentially a coin flip, significantly underweighting a measurable and ongoing cold streak. Plus-money on a concrete data argument is rare. Take it.
Murakami Anytime Home Run (+275), LOW co
Murakami Anytime Home Run (+275), LOW confidence (player prop). Murakami has 31 home runs in 487 PA with an .869 OPS vs right-handers. He faces Leahy, who has allowed 14 HR in 132 innings this season. No career matchup data exists between the two. At +275 (26.7% implied), a 31-HR bat in a game projected to carry heavy bullpen action represents genuine positive expected value for an anytime HR. His L28d OPS of .526 and Busch Stadium's 0.95 HR factor are real variance factors that hold this at LOW. The long-shot upside is worth a small piece if you are playing props tonight.
Alec Burleson Over 0.5 RBIs (+144), LOW
Alec Burleson Over 0.5 RBIs (+144), LOW confidence (player prop). Burleson bats fourth in the confirmed STL lineup with Walker (.916 vL OPS) and Herrera (.841 L7d OPS) directly ahead of him. The lineup construction creates RBI flow even in a slow-scoring game. He has 22 HR on the season. The concern is his vL OPS of .545 vs Newcomb, a left-hander, a genuine platoon drag. At +144 (41.0% implied), the cleanup spot provides enough opportunity from the bats ahead to make this worth a small play, but the platoon split keeps confidence LOW.
Same-Game Parlay (5 legs)
Same-Game Parlay (5 legs): Cardinals -1.0 (+124), Over 8.5 (-116), Jordan Walker Over 1.5 Total Bases (+124), Iván Herrera Over 1.5 Total Bases (+124), Alec Burleson Over 0.5 RBIs (+144). The correlation is the thesis: a Cardinals win covering -1.0 requires heavy run production, which directly satisfies the Over 8.5, inflates Walker and Herrera total-base counts, and funnels runners to Burleson's RBI spot. All five legs move together on a high-scoring STL night. SGPs amplify both upside and variance; treat this as a speculative piece of your overall game play. Individual contract IDs for reference: 452794735, 452794759, 452978624, 452978562, 452978346.
Analysis insight — no specific bet associated
YRFI (-120), LOW confidence (first innin
YRFI (-120), LOW confidence (first inning). A run scores in the first inning. Newcomb allowed earned runs in all three of his last starts, recorded zero strikeouts in his most recent outing, and faces STL's top-of-the-order combination of Fermín, Herrera, and Walker in the bottom of the first. The market sits near-even at -120 for the YRFI, reflecting genuine uncertainty. Newcomb's recent collapse tips the lean to Yes, but coin-flip pricing caps this at LOW. Treat it as a lean, not a primary play.

Key Players

Batting AverageCHW
Chase Meidroth
.269Batting Average
2B
Home RunsCHW
Munetaka Murakami
31Home Runs
1B
Runs Batted InCHW
Colson Montgomery
83Runs Batted In
SS
Earned Run AverageCHW
Sean Burke
3.58Earned Run Average
SP
WinsCHW
Anthony Kay
9Wins
SP
StrikeoutsCHW
Sean Burke
169Strikeouts
SP
Batting AverageSTL
Alec Burleson
.284Batting Average
1B
Home RunsSTL
Jordan Walker
28Home Runs
RF
Runs Batted InSTL
Alec Burleson
106Runs Batted In
1B
Earned Run AverageSTL
Michael McGreevy
3.92Earned Run Average
SP
WinsSTL
Andre Pallante
12Wins
SP
StrikeoutsSTL
Matthew Liberatore
146Strikeouts
SP

Recent Form

Chicago White Sox
W10-1Minnesota Twins
L9-3Pittsburgh Pirates
L4-2Pittsburgh Pirates
L2-0Pittsburgh Pirates
L7-3St. Louis Cardinals
St. Louis Cardinals
W10-8Colorado Rockies
L2-1San Francisco Giants
L7-6San Francisco Giants
W7-3Chicago White Sox

Chicago White Sox vs St. Louis Cardinals Summary

Both starters are going to exit early. That is the most certain thing about this game. Newcomb has not topped 2.0 IP in any of his last three outings, and Leahy has cleared 4.0 IP just once in his last three starts. What follows is a bullpen marathon at Busch Stadium, where STL holds the home-crowd edge, game 1 momentum from a 7-3 win, and a lineup built to punish a deteriorating left-hander. The Cardinals -1.0 at +124 is the clearest value in this game: positive money on a home team riding a series lead against a road club on a four-game skid. The Over 8.5 is the secondary lean in a game with this much pitcher volatility, but the model aligns exactly with the 8.5 line, so size it down and treat it as a lean rather than a conviction play.

The best individual props center on the STL lineup construction. Walker's .916 OPS vs left-handed pitching and Herrera's .841 L7d OPS make both Over 1.5 total bases plays worth targeting at +124. Winn's 0.000 OPS over the last seven days is one of the more concrete prop signals on the board, and Under 0.5 hits at +110 is rare plus-money with a real data argument behind it. The main caveat across this entire game: when both starters are this volatile, variance runs both ways. Leahy's 20-day-old start at Colorado may not be repeatable tonight, and Newcomb's 20 days of extended rest could mean a sharper first inning than his recent results suggest. Bet within your limits and never stake more than you can afford to lose.

For the full slate, see our MLB picks today, NRFI picks, and player props.

Head-to-Head History

Season SeriesSTL leads series 1-0
DateMatchupResult
Sep 12, 2026CHW @ STLSTLSTL 7-3

White Sox vs Cardinals predictions: Cardinals -1.0 (+124) and Over 8.5 lead the card as Newcomb has topped 2.0 IP just once in his last three starts.

Frequently Asked Questions

MLBGame PreviewsChicago White Sox at St. Louis Cardinals