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MLBGame PreviewsSt. Louis Cardinals at Cincinnati Reds
St. Louis CardinalsSt. Louis Cardinals
@
Great American Ball Park
Cincinnati RedsCincinnati Reds

Match Predictor

Pre-match Prediction
St. Louis Cardinals
@
Cincinnati Reds
St. Louis Cardinals 52%Cincinnati Reds 48%
Market LinesRun Line: St. Louis Cardinals -1Total: O/U 9
Model: Under 9
Model projects 8.4 total runs vs 9 line

St. Louis Cardinals

0022446688101012121414OVERUNDERO/U 9Runs ScoredRuns Allowed
All Over 9
35%
45/128
MLB: 48%
Starter
33%
8/24
vs CIN
33%
4/12
Avg Total
8.7
MLB: 8.9
Game Starter (24) Last Starter vs CIN vs CIN (12)
Michael McGreevy #36 · RHP · Age 26
3.48
ERA (2026)
6.2
K/9 (2026)
24
Starts (2026)
8.6
Avg Total (2026)
Last 3:
W @CHC (Aug 15): 6.0IP, 0ER, 6K
ND COL (Aug 09): 5.2IP, 3ER, 4K
ND @NYY (Aug 03): 4.1IP, 2ER, 5K
vs CIN: W (Aug 30 2025): 6.0 IP, 1 ER, 0 K
Bullpen (2026 Season)Average
ERA: 3.64MLB Avg: 3.959 relievers
Recent: W 11-4W 2-1L 5-6W 3-0L 4-5
Lineup vs Michael McGreevy (Career)
BatterPosPAAVGOPSHR
Elly De La CruzSS6.4000.9000
Matt McLain2B6.1670.8341
Sal Stewart1B6.0000.1670
TJ FriedlCF6.0000.3330
Bryan Hayes3B5.0000.0000
Tyler StephensonC5.2001.0001
JJ BledayLF3.0000.0000
Eugenio SuarezDH2.0000.0000
Jose TrevinoC2.0000.0000
Michael Toglia1B2.0000.0000
3 batters with no matchup history

Cincinnati Reds

0022446688101012121414OVERUNDERO/U 9Runs ScoredRuns Allowed
All Over 9
42%
53/127
MLB: 48%
Starter
46%
11/24
vs STL
33%
4/12
Avg Total
8.8
MLB: 8.9
Game Starter (24) Last Starter vs STL vs STL (12)
Brady Singer #51 · RHP · Age 30
4.66
ERA (2026)
7.5
K/9 (2026)
24
Starts (2026)
9.0
Avg Total (2026)
Last 3:
ND MIA (Aug 15): 6.0IP, 3ER, 4K
L @WSH (Aug 09): 6.0IP, 3ER, 3K
ND ATH (Aug 04): 6.0IP, 3ER, 6K
vs STL: W (Aug 31 2025): 6.0 IP, 3 ER, 8 K
Bullpen (2026 Season)Average
ERA: 4.25MLB Avg: 3.959 relievers
Recent: L 1-7L 1-2W 6-5L 0-3W 5-4
Lineup vs Brady Singer (Career)
BatterPosPAAVGOPSHR
Alec Burleson1B10.5561.9442
Ivan HerreraDH9.1670.5000
Jordan WalkerRF9.1110.2220
Masyn WinnSS8.3331.5001
Jimmy CrooksC6.1670.3340
Bryan TorresLF2.0000.0000
Nathan ChurchCF2.0000.5000
Pedro PagesC2.0000.0000
5 batters with no matchup history
Our Top PicksLive Odds
Top PickCardinals ML -112 (MEDIUM)
The market prices St.
PickCardinals -1.0 @ -101 (MEDIUM)
Essentially even money to win the game outright.
PickUnder 9.0 @ -122 (LOW)
Confidence is explicitly low here because the model projects right at the 9.0 line, leaving no directional gap to exploit by formula.

St. Louis Cardinals vs Cincinnati Reds Game Preview

When context lines up this cleanly, you don't overcomplicate it. St. Louis Cardinals right-hander Michael McGreevy carries a 3.48 ERA and genuine momentum into this MLB rubber match, coming off a six-inning shutout of the Cubs on August 15: six innings, zero runs, six strikeouts. His counterpart, Cincinnati Reds starter Brady Singer, has allowed exactly 3 earned runs in each of his last three starts without winning any of them. Singer's ERA has climbed every season: 3.70 in 2024, 4.03 in 2025, 4.66 now. One pitcher is ascending, one is eroding. Every contextual factor in this game points toward the same conclusion.

Cincinnati's offense is the perfect backdrop for McGreevy. Over their last 10 games, the Reds are hitting .184/.247/.301 with a 25.4% strikeout rate, the worst wRC+ in the league. The career batter-vs-pitcher data against McGreevy is damning: Sal Stewart is 0-for-6 with a .167 OPS, Ke'Bryan Hayes is 0-for-5 with a .000 OPS, JJ Bleday is 0-for-3 with a .000 OPS, and Eugenio Suárez is 0-for-2 with a .000 OPS. The one Reds bat with legitimate upside against him is Elly De La Cruz, who has posted a .900 OPS across 6 career PA versus McGreevy. But De La Cruz is buried in a 0-for-10 skid with just a .402 OPS over the last seven days. A depleted lineup, negative matchup history, and a hot pitcher are a bad combination.

Great American Ball Park adds a specific wrinkle here, and it cuts against Singer. The park runs a 1.18 home run factor, one of the three most HR-friendly environments in baseball. Singer has surrendered 24 home runs in 125.2 innings in 2026, a rate of 1.72 per nine. That combination creates a precise vulnerability, and Alec Burleson is exactly the hitter positioned to exploit it. In 10 career plate appearances against Singer, Burleson is hitting .556 with a 1.944 OPS and 2 home runs. His 2026 split against Singer is a 3.500 OPS in 2 PA. He is also carrying a .998 OPS over the last 28 days. Hot bat, favorable park, vulnerable pitcher. GABP amplifies whatever contact gets made, and Burleson makes elite contact against this arm.

Cardinals took Game 1, Reds answered in Game 2, and today settles the series. Both bullpens have absorbed innings over the first two games, which adds late-inning variance. The case for Cincinnati at +102 is real: even money on a home team in a one-run game is never worthless, and if Singer limits the damage through five innings, the Reds get multiple looks at a Cardinals relief corps that has also been used. But consider this as a coin-flip framing that understates the pitching gap. McGreevy owns this lineup on paper, and CIN's lineup is giving him every reason to own it in practice too.

St. Louis Cardinals vs Cincinnati Reds Key Insights

  • McGreevy's 3.48 ERA represents a meaningful edge over Singer's 4.66 ERA. Four of Cincinnati's regulars (Stewart, Hayes, Bleday, Suárez) have a combined .000 to .167 OPS across all career plate appearances against him.
  • Cincinnati's offense ranks last in the league over their last 10 games: .184/.247/.301 slash, 25.4% strikeout rate, 95 total strikeouts in that stretch. This is the most favorable offensive matchup McGreevy could draw.
  • Singer has surrendered 24 home runs in 125.2 innings in 2026 (1.72 HR/9). At Great American Ball Park, which posts a 1.18 HR factor, that leakage rate becomes more dangerous against a right-hander who cannot miss bats consistently.
  • Alec Burleson's career line against Singer: 10 PA, .556 AVG, 1.944 OPS, 2 HR. His 2026 split against Singer is a 3.500 OPS in 2 PA. He is the single most dangerous individual matchup in this game by a significant margin.
  • Both starters have elite recent first-inning numbers. McGreevy has produced no first-inning run in 9 of his last 10 starts. Singer's career NRFI rate is 79%, with a 19-to-5 overall record. The quiet first inning is the percentage play regardless of game total.
  • Elly De La Cruz (.900 career OPS in 6 PA vs McGreevy) is the only Reds bat with genuine upside in this matchup, but he has gone 0-for-10 in his last 10 at-bats with a .402 OPS over the past seven days. Until he breaks out, the Cardinals' pitching edge remains fully intact.

St. Louis Cardinals vs Cincinnati Reds Betting Picks

Picks made August 20, 2026 at 05:05 AM ET. Odds shown reflect current market prices.

Cardinals -1.0 @ -101 (MEDIUM)
Cardinals -1.0 @ -101 (MEDIUM): Essentially even money to win the game outright. A lineup hitting .184 over its last 10 games is not a unit that rallies for multiple runs against a sharp starter in a tight game. -101 pricing on a team with a clear ERA advantage and matchup edge over nearly every bat in the opposing lineup feels generous. This is the same thesis as the moneyline at a slightly better price.
Under 9.0 @ -122 (LOW)
Under 9.0 @ -122 (LOW): Confidence is explicitly low here because the model projects right at the 9.0 line, leaving no directional gap to exploit by formula. The qualitative case leans Under: McGreevy has suppressed weak contact all month, CIN's offense is the worst in baseball by recent metrics, and the game narrative points toward a tight 4-3 type finish. Bet this with reduced stake given the flat model projection. The edge is real but thin.
McGreevy Over 4.5 Strikeouts @ -120 (MEDIUM)
McGreevy Over 4.5 Strikeouts @ -120 (MEDIUM): McGreevy has averaged 5.0 strikeouts across his last three starts (6, 4, 5 K), clearing 4.5 in two of three. He now faces the league's worst offense by wRC+, a lineup posting a 25.4% strikeout rate over 10 games. Hayes, Stewart, Bleday, and Suárez have combined for zero career hits against him, making multiple lineup spots near-automatic strikeout outcomes. His 6.2 K/9 in 2026 plus this specific matchup environment makes the over the percentage play.
Ke'Bryan Hayes Under 0.5 Hits @ -101 (HIGH)
Ke'Bryan Hayes Under 0.5 Hits @ -101 (HIGH): Hayes is 0-for-5 against McGreevy in all career plate appearances, with a .000 OPS across every appearance on record (2025 data: 5 PA, .000 OPS). His season line is .149/.202/.254, the worst regular-starter hitting line on either roster. Near-even money on a batter with zero career hits versus this arm and a .149 season average is exceptional value. The data points in one direction without ambiguity.
Alec Burleson HR @ +260 (MEDIUM)
Alec Burleson HR @ +260 (MEDIUM): Career: 10 PA vs Singer, .556 AVG, 1.944 OPS, 2 HR. The 2026 split is a 3.500 OPS in 2 PA. He is carrying a .998 OPS over the last 28 days. Great American Ball Park runs a 1.18 HR factor, and Singer is allowing 1.72 home runs per nine in 2026. Three separate factors converge on the same outcome: career matchup edge, park amplification, and peak current form. At +260, this is genuinely mispriced given the convergence.
Alec Burleson Over 1.5 Total Bases @ -130 (HIGH)
Alec Burleson Over 1.5 Total Bases @ -130 (HIGH): The same BvP engine drives this: .556 AVG, 1.944 OPS, 2 HR in 10 career PA against Singer. Reaching 1.5 total bases requires just one extra-base hit or two singles against a pitcher Burleson has owned career-wide. His .491 SLG and .998 OPS over the last 28 days reflect a hitter in peak form. GABP's 1.18 HR factor raises the extra-base floor further. This is the strongest individual matchup edge on the board today and the highest-confidence prop in the package.
Jordan Walker Under 0.5 Hits @ +186 (MEDIUM)
Jordan Walker Under 0.5 Hits @ +186 (MEDIUM): Walker's career line against Singer is 9 PA, .111 AVG, 0.222 OPS, 0 HR. His 2025 split is 7 PA at a .000 OPS, the most damning segment of the sample. The 2026 micro-sample (2 PA, 1.000 OPS) is too small to override a career-level trend. Walker's .288 season average shows he can hit, but Singer has consistently suppressed him. At +186, plus money on a batter who historically goes hitless against this arm offers genuine data-backed value.
SGP (Cardinals -1.0 / Under 9.0 / McGreevy Over 4.5 K / Burleson Over 1.5 TB)
SGP (Cardinals -1.0 / Under 9.0 / McGreevy Over 4.5 K / Burleson Over 1.5 TB): These four legs are highly correlated and point toward the same game script. A dominant McGreevy strikeout performance naturally suppresses Cincinnati's run production, which supports the Under and makes a Cardinals run-line cover the likely outcome. Burleson providing an extra-base hit gives St. Louis the offensive margin to cover -1 in a tight, low-scoring game. All four outcomes reinforce each other rather than pulling in different directions.
Analysis insight — no specific bet associated
NRFI @ -128
NRFI @ -128: McGreevy has produced no first-inning run in 9 of his last 10 starts, with an active 7-game NRFI streak. Singer's career NRFI rate is 79%, with a 19-to-5 record overall. St. Louis as the road team has gone NRFI in 6 of their last 10 away games. Weather at 74 degrees with a 5 mph northwest wind is neutral. When two pitchers with this level of recent first-inning performance take the mound together in a game expected to be tight and low-scoring, the quiet first inning is the percentage play at -128.

Key Players

Batting AverageSTL
Alec Burleson
.289Batting Average
1B
Home RunsSTL
Jordan Walker
25Home Runs
RF
Runs Batted InSTL
Alec Burleson
92Runs Batted In
1B
Earned Run AverageSTL
Michael McGreevy
3.48Earned Run Average
SP
WinsSTL
Andre Pallante
12Wins
SP
StrikeoutsSTL
Matthew Liberatore
125Strikeouts
SP
Batting AverageCIN
Elly De La Cruz
.259Batting Average
SS
Home RunsCIN
Sal Stewart
27Home Runs
1B
Runs Batted InCIN
Sal Stewart
94Runs Batted In
1B
Earned Run AverageCIN
Chase Burns
2.51Earned Run Average
SP
WinsCIN
Chase Burns
14Wins
SP
StrikeoutsCIN
Chase Burns
159Strikeouts
SP

Recent Form

St. Louis Cardinals
W11-4Chicago Cubs
W2-1Cincinnati Reds
W3-0Cincinnati Reds
L5-4Cincinnati Reds
Cincinnati Reds
L7-1Miami Marlins
L2-1St. Louis Cardinals
L3-0St. Louis Cardinals
W5-4St. Louis Cardinals

St. Louis Cardinals vs Cincinnati Reds Summary

The pitching matchup is the story, and it is unusually clear for a rubber match. McGreevy has a 3.48 ERA, a recent shutout, and career ownership over most of Cincinnati's starting lineup. Singer is at 4.66 ERA with 24 home runs allowed in a park built to amplify exactly that weakness. The model lands directly at the 9.0 total line, offering no formula-level directional signal, but the qualitative case supports the Under in a game where one starter has dominated this lineup and the other has been unreliable for three consecutive seasons. The Cardinals at -112 is the primary play. Burleson's over on total bases at -130 is the highest-confidence individual prop in this package, supported by career matchup data, park factor, and peak recent form pointing toward the same outcome.

The risk worth flagging: rubber matches carry variance, both bullpens are taxed from the series, and Elly De La Cruz only needs one swing to change the game regardless of his recent slump. The Reds have gone 32-35 at home, which reflects a team that wins games even in its worst offensive stretches. McGreevy is the better pitcher today and the Cardinals are the right side, but treat this as a close game leaning one direction rather than a statement win. The Walker under at +186 and the NRFI add plus-money value without requiring a specific score to cash. Context lines up for St. Louis. Play it accordingly and manage stake to the confidence tiers listed.

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

Head-to-Head History

Season SeriesSeries tied 2-2
DateMatchupResult
Aug 17, 2026STL @ CINSTLSTL 2-1
Aug 17, 2026STL @ CINCINCIN 6-5
Aug 18, 2026STL @ CINSTLSTL 3-0
Aug 19, 2026STL @ CINCINCIN 5-4

Cardinals vs Reds predictions: McGreevy's 3.48 ERA vs Singer's 4.66 favors STL -112 ML. Burleson owns Singer (1.944 OPS, 2 HR). NRFI and Under 9.0 in play.

Frequently Asked Questions

MLBGame PreviewsSt. Louis Cardinals at Cincinnati Reds