- The Mariners are -135 favorites vs the Cardinals
- Cardinals starting pitcher: Steven Matz
- Mariners starting pitcher: George Kirby
- Watch the game on MLB Network
The St. Louis Cardinals (+110) visit T-Mobile Park to take on the Seattle Mariners (-135) on Friday, April 21, 2023. First pitch is scheduled for 10:10pm EDT in Seattle.
The Mariners are the betting favorite in this game, with the run line sitting at -1.5 (+155).
The Cardinals vs Mariners Over/Under is 8 total runs for the game.
This season, the Cardinals are 8-11 against the spread (ATS), while the Mariners are 8-11 ATS.
Cardinals vs. Mariners Odds, Run Line, Over/Under & Moneyline
| Spread | Over / Under | Moneyline | |
| Cardinals | +1.5 -190 | O 8 -110 | +110 |
| Mariners | -1.5 +155 | U 8 -110 | -135 |
Cardinals vs Mariners Prediction for Today’s Game
Based on recent trends the model predicts the Mariners will win Friday‘s MLB matchup with 51.9% confidence.
This prediction factors in starting pitchers, recent team and player hitting performances, the last 5 games for both the Cardinals and Mariners and up-to-date player injuries.
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We’ve highlighted some favorite MLB player prop bets for Cardinals players for Friday‘s game, looking at profitable historical betting trends:
Best Cardinals Player Prop Bets Today:
- Willson Contreras has hit the RBIs Over in his last 5 games (+8.40 Units / 168% ROI)
- Jordan Walker has hit the Singles Over in 12 of his last 17 games (+7.20 Units / 38% ROI)
- Nolan Arenado has hit the RBIs Under in 11 of his last 14 games (+7.20 Units / 30% ROI)
- Nolan Gorman has hit the Runs Under in 8 of his last 9 games (+7.00 Units / 45% ROI)
- Tommy Edman has hit the Hits Runs and RBIs Under in 11 of his last 15 games (+6.60 Units / 34% ROI)
And here are some favorite MLB player prop bets for Mariners players for Friday‘s game, looking at profitable historical betting trends:
Best Mariners Player Prop Best Bets Today:
- Ty France has hit the Runs Over in 14 of his last 19 games (+13.15 Units / 69% ROI)
- Ty France has hit the Hits Runs and RBIs Over in 15 of his last 19 games (+11.60 Units / 51% ROI)
- Eugenio Suarez has hit the Singles Over in 12 of his last 18 games (+10.20 Units / 57% ROI)
- Julio Rodriguez has hit the Runs Over in 13 of his last 16 games (+9.75 Units / 53% ROI)
- Kolten Wong has hit the Total Bases Under in 11 of his last 14 games (+9.50 Units / 66% ROI)
Mariners vs Cardinals Home Run Prop Bets Today
| Over | Under | |
|---|---|---|
| Teoscar Hernandez | 0.5 +290 | 0.5 -450 |
| Nolan Arenado | 0.5 +450 | 0.5 -900 |
| Nolan Gorman | 0.5 +375 | 0.5 -700 |
| J.P. Crawford | 0.5 +1050 | 0.5 |
| AJ Pollock | 0.5 +450 | 0.5 -900 |
Mariners vs Cardinals Total Hits Prop Bets Today
| Over | Under | |
|---|---|---|
| Teoscar Hernandez | 0.5 -225 | 0.5 +170 |
| Nolan Arenado | 0.5 -250 | 0.5 +180 |
| Nolan Gorman | 0.5 -145 | 0.5 +110 |
| J.P. Crawford | 0.5 -140 | 0.5 +110 |
| AJ Pollock | 0.5 -200 | 0.5 +150 |
Mariners vs Cardinals RBI Prop Bets Today
| Over | Under | |
|---|---|---|
| Teoscar Hernandez | 0.5 +150 | 0.5 -200 |
| Nolan Arenado | 0.5 +155 | 0.5 -200 |
| Nolan Gorman | 0.5 +200 | 0.5 -275 |
| J.P. Crawford | 0.5 +275 | 0.5 -400 |
| AJ Pollock | 0.5 +200 | 0.5 -275 |
Mariners vs Cardinals Strikeout Prop Bets Today
| Over | Under | |
|---|---|---|
| George Kirby | 5.5 +115 | 5.5 -150 |
| Steven Matz | 5.5 -145 | 5.5 +110 |
Cardinals Best Bets Today:
- The St. Louis Cardinals have hit the 1st Five Innings (F5) Team Total Under in 13 of their last 15 games (+11.40 Units / 65% ROI)
- The St. Louis Cardinals have hit the Team Total Under in 10 of their last 15 games (+4.40 Units / 25% ROI)
- The St. Louis Cardinals have hit the Game Total Over in 4 of their last 5 games (+4.00 Units / 74% ROI)
- The St. Louis Cardinals have covered the Run Line in 3 of their last 5 away games (+0.60 Units / 10% ROI)
- The St. Louis Cardinals have hit the Moneyline in 3 of their last 5 away games (+0.60 Units / 8% ROI)
Mariners Best Bets Today:
- The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 5 of their last 7 games (+4.00 Units / 32% ROI)
- The Seattle Mariners have hit the Game Total Over in 6 of their last 10 games at home (+2.45 Units / 21% ROI)
- The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 6 of their last 10 games at home (+2.10 Units / 18% ROI)
- The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 5 of their last 7 games (+2.05 Units / 21% ROI)
- The Seattle Mariners have hit the Team Total Over in 5 of their last 8 games at home (+1.95 Units / 21% ROI)
Cardinals Against the Spread (ATS) Record
Against the spread this MLB season, the Cardinals have gone 8-11 against the Run Line (-4.1 Units / -17.98% ROI).
- 8-11 when betting on the Moneyline for -7.55 Units / -27.01% ROI
- 8-10 when betting on the total runs Over for -2.9 Units / -14.08% ROI
- 10-8 when betting on the total runs Under for +1 Units / 4.71% ROI
Mariners Against the Spread (ATS) Record
Against the spread this MLB season, the Mariners have gone 8-11 against the Run Line (-3.95 Units / -16.39% ROI).
- 8-11 when betting on the Moneyline for -6.15 Units / -22.04% ROI
- 10-8 when betting on the total runs Over for +1.15 Units / 5.42% ROI
- 8-10 when betting on the total runs Under for -2.95 Units / -14.25% ROI
Cardinals Starting Pitcher Stats & Trends
Opponents are hitting .429 (15-for-35) against Steven Matz’s non-fastballs this season — 2nd highest in MLB among starting pitchers with at least 6 total IP; League Avg: .227 — first Percentile.
Steven Matz has allowed an OBP of .433 (30 PA’s) with two-strikes — 2nd highest in MLB over the last two weeks; League Avg: .248 — second Percentile.
Steven Matz has allowed an OPS of .933 (30 PA’s) with two-strikes — 2nd highest in MLB over the last two weeks; League Avg: .510 — second Percentile.
The last hit on a Steven Matz fastball was April 10th. Hitters are 0 for their last 16 in ABs ending on his fastball. — Gerrit Cole has the longest active streak at 25.
Mariners Starting Pitcher Stats & Trends
Opponents are hitting .325 (75-for-231) against George Kirby’s non-fastballs since last season — highest in MLB among starting pitchers with at least 71 total IP; League Avg: .226 — 0 Percentile.
Opponents are hitting .328 (60-for-183) against George Kirby’s curve and slider since last season — highest in MLB among starting pitchers with at least 71 total IP; League Avg: .222 — first Percentile.
Opponents have a miss rate of just 16% (72/453) against George Kirby on non-fastballs since last season — lowest in MLB among starting pitchers with at least 71 total IP; League Avg: 31% — 0 Percentile.
George Kirby has not walked any of the 25 batters that he has faced vs left-handed batters — tied for best in MLB over the last two weeks; League Avg: 10% — 100th Percentile.
Cardinals Keys to the Game vs. the Mariners
The Cardinals are 19-4 (.826) when tied entering the 8th inning since the 2022 season — best in MLB; League Avg: .500.
The Cardinals are 75-16 (.824) when scoring 5 or more runs since the 2022 season — 10th best in MLB; League Avg: .803.
The Cardinals are 38-5 (.884) when totaling 5 or more extra base hits since the 2022 season — 4th best in MLB; League Avg: .805.
The Cardinals are 28-10 (.737) when tied entering the 8th inning since the 2021 season — best in MLB; League Avg: .500.
Mariners Keys to the Game vs. the Cardinals
The Mariners are 15-12 (.556) when tied entering the 7th inning since the 2022 season — 8th best in MLB; League Avg: .500.
The Mariners are 36-15 (.706) when tied entering the 8th inning since the 2020 season — best in MLB; League Avg: .500.
The Mariners are 48-16 (.750) when scoring in the first inning since the 2022 season — tied for 6th best in MLB; League Avg: .652.
The Mariners are 34-13 (.723) when tied entering the 8th inning since the 2021 season — 2nd best in MLB; League Avg: .500.
Cardinals Hitting Stats & Trends
Cardinals hitters have an OPS of .811 (2,750 PA’s) against LHP since the 2021 season — best in MLB; League Avg: .725.
Cardinals hitters have an OPS of .939 (142 PA’s) against LHP this season — best in MLB; League Avg: .733.
Cardinals hitters are slugging .556 against LHP this season — 2nd best in MLB; League Avg: .406.
The Cardinals are batting .263 with two outs since last season — best in MLB; League Avg: .236.
Mariners Hitting Stats & Trends
The Mariners are batting just .305 on the first pitch of at-bats since the 2020 season — lowest in MLB; League Avg: .340.
The Mariners are batting just .307 on the first pitch of at-bats since the 2021 season — lowest in MLB; League Avg: .339.
The Mariners are batting just .218 at home since the 2020 season — lowest in MLB; League Avg: .247.
The Mariners are batting just .222 at home since last season — 2nd lowest in MLB; League Avg: .246.
Cardinals Pitching Stats & Trends
Opponents have a groundball rate of 48% against Cardinals pitchers since last season — 2nd highest in MLB; League Avg: 43%.
Cardinals pitchers have a strikeout rate of just 17% with runners in scoring position since last season — lowest in MLB; League Avg: 21%.
Opponents have a groundball rate of 48% against Cardinals pitchers this season — 2nd highest in MLB; League Avg: 43%.
Opponents had a groundball rate of 47% against Cardinals pitchers in 2022 — 2nd highest in MLB; League Avg: 43%.
Mariners Pitching Stats & Trends
Opponents have a groundball rate of 47% against Mariners pitchers this season — 3rd highest in MLB; League Avg: 43%.
Opponents have a groundball rate of just 41% against Mariners pitchers since last season — 3rd lowest in MLB; League Avg: 43%.
Mariners pitchers have allowed a slugging percentage of just .336 this season — 2nd best in MLB; League Avg: .403.
Opponents have a groundball rate of just 41% against Mariners pitchers since the 2021 season — 2nd lowest in MLB; League Avg: 43%.
Mariners vs. Cardinals Injuries Tonight That May Affect Prop Bets
- Taylor Trammell (Mariners): Hand, D10
- Samuel Haggerty (Mariners): Concussion, D7
- Andrés Muñoz (Mariners): Deltoid, D15
- Robert Ray (Mariners): Flexor, D15
- Dylan Moore (Mariners): Olique, D10
- Evan White (Mariners): Adductor, D60
- Patrick Naughton (Cardinals): Forearm, D15
- Adam Wainwright (Cardinals): Groin, D15
- Paul DeJong (Cardinals): Back, D10
- Wilking RodrÃguez (Cardinals): Shoulder, D15
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