Mariners vs Blue Jays Prediction, Odds & Player Prop Bets Today – MLB, Apr 9

Toronto Blue Jays' Bo Bichette swings at a pitch from the Baltimore Orioles during the first inning of a baseball game, Wednesday, June 14, 2023, in Baltimore.
(AP Photo/Julio Cortez)
  • The Mariners are -105 favorites vs the Blue Jays
  • Mariners vs Blue Jays Over / Under today: 8 Runs
  • Mariners / Blue Jays TV Channel: RTNW | RSN | MLBN

The Seattle Mariners (-105) visit Rogers Centre to take on the Toronto Blue Jays (-115) on Tuesday, April 9, 2024. First pitch is scheduled for 7:07pm EDT in Toronto, ON.

This season, the Mariners are 4-7 against the spread (ATS), while the Blue Jays are 6-5 ATS.

Mariners vs Blue Jays Starting Pitchers Today:

  • Mariners starting pitcher: George Kirby 1-1, 5.07 ERA
  • Blue Jays starting pitcher: Chris Bassitt 0-2, 7.45 ERA

Mariners vs. Blue Jays Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Mariners-1.5 +165O 8 -115-105
Blue Jays +1.5 -200U 8 -105-115

Mariners vs Blue Jays Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Tuesday‘s MLB game with 51.0% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Mariners players for Tuesday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Luis Castillo has hit the Earned Runs Over in 17 of his last 24 games (+10.50 Units / 36% ROI)
  • George Kirby has hit the Pitching Outs Over in 22 of his last 31 games (+10.30 Units / 23% ROI)
  • Ty France has hit the Singles Over in 18 of his last 27 games (+10.15 Units / 37% ROI)
  • Ty France has hit the Hits Over in 14 of his last 17 games (+8.65 Units / 28% ROI)
  • Ty France has hit the Total Bases Over in 14 of his last 17 games (+8.55 Units / 28% ROI)

And here are some favorite MLB player prop bets for Blue Jays players for Tuesday‘s game, looking at profitable historical betting trends:

Best Blue Jays Player Prop Best Bets Today:

  • Jose Berrios has hit the Earned Runs Under in 23 of his last 33 games (+10.05 Units / 23% ROI)
  • Jose Berrios has hit the Pitching Outs Over in 22 of his last 32 games (+9.60 Units / 23% ROI)
  • Bo Bichette has hit the Singles Under in 12 of his last 19 games at home (+9.45 Units / 50% ROI)
  • George Springer has hit the Hits Runs and RBIs Under in 14 of his last 18 games at home (+9.20 Units / 43% ROI)
  • George Springer has hit the Total Bases Under in 15 of his last 19 games at home (+8.70 Units / 27% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 24 of their last 40 away games (+12.89 Units / 24% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 28 of their last 42 away games (+12.17 Units / 25% ROI)
  • The Seattle Mariners have hit the Game Total Over in 18 of their last 26 away games (+10.55 Units / 37% ROI)
  • The Seattle Mariners have hit the Moneyline in 27 of their last 43 away games (+9.35 Units / 16% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 25 of their last 40 away games (+8.69 Units / 19% ROI)
  • The Toronto Blue Jays have hit the Team Total Under in 40 of their last 66 games at home (+12.34 Units / 16% ROI)
  • The Toronto Blue Jays have hit the Game Total Under in 61 of their last 111 games (+11.50 Units / 9% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Team Total Under in 18 of their last 26 games (+9.66 Units / 31% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Moneyline in 4 of their last 9 games at home (+1.85 Units / 15% ROI)
  • The Toronto Blue Jays have covered the Run Line in 2 of their last 4 games at home (+0.05 Units / 1% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 3-8 against the Run Line (-6.65 Units / -44.04% ROI).

  • 4-7 when betting on the Moneyline for -4.3 Units / -32.33% ROI
  • 5-5 when betting on the total runs Over for -0.4 Units / -3.33% ROI
  • 5-5 when betting on the total runs Under for -0.6 Units / -4.9% ROI

Blue Jays Against the Spread (ATS) Record

Against the spread this season, the Blue Jays are 6-5 against the Run Line (-1 Units / -5.92% ROI).

  • 5-6 when betting on the Moneyline for -0.2 Units / -1.75% ROI
  • 6-5 when betting on the total runs Over for +0.45 Units / 3.69% ROI
  • 5-6 when betting on the total runs Under for -1.65 Units / -13.69% ROI

Blue Jays vs Mariners Home Run Prop Bets Today

Over Under
Rodriguez 0.5 +450 0.5 -650
Garver 0.5 +475 0.5 -700
Haniger 0.5 +525 0.5 -750
P. Crawford 0.5 +700 0.5 -1100
Rojas 0.5 +1000 0.5 -2000

Blue Jays vs Mariners Strikeout Prop Bets Today

Over Under
Bassitt 5.5 -150 5.5 +115
Kirby 4.5 -140 4.5 +105

George Kirby walked 19 of 757 batters (3%) in the 2023 season — best among qualified SPs in MLB; League Avg: 7% — 100th Percentile.

George Kirby had a strike rate of 71% (2,002/2,825) in the 2023 season — highest among qualified SPs in MLB; League Avg: 65% — 100th Percentile.

George Kirby has a first-pitch strike rate of 79% (37/47) this season — 3rd highest among in MLB; League Avg: 64% — 96th Percentile.

George Kirby has walked 21 of 804 batters (3%) since last season — best in MLB among starting pitchers with at least 68 total IP; League Avg: 8% — 100th Percentile.

Blue Jays Starting Pitcher Stats & Trends

Chris Bassitt has allowed an OPS of 1.714 (17 PA’s) vs left-handed batters this season — highest among in MLB; League Avg: .650 — second Percentile.

Chris Bassitt has allowed a slugging percentage of 1.067 (16 Total Bases / 15 ABs) vs left-handed batters this season — highest among qualified SPs in MLB; League Avg: .387 — first Percentile.

Left-handed batters are hitting .600 (9-for-15) against Chris Bassitt this season — highest among qualified SPs in MLB; League Avg: .246 — first Percentile.

Chris Bassitt has allowed an OBP of .647 (17 PA’s) vs left-handed batters this season — highest among qualified SPs in MLB; League Avg: .314 — first Percentile.

Mariners Keys to the Game vs. the Blue Jays

The Mariners were 13-9 (.591) after a win as underdogs in 2023 — 2nd best in MLB; League Avg: .430.

The Mariners are 44-6 (.880) when they’ve had 5 or more XBH since the 2022 season — best in MLB; League Avg: .797.

The Mariners are 142-6 (.959) when leading entering the 8th inning since the 2022 season — best in MLB; League Avg: .906.

The Mariners are 85-13 (.867) when they’ve had 10 or more hits since the 2022 season — best in MLB; League Avg: .730.

Blue Jays Keys to the Game vs. the Mariners

The Blue Jays are 71-110 (.390) when scoring 4 or fewer runs since the 2022 season — best in MLB; League Avg: .281.

The Blue Jays are just 9-59 (.132) when allowing 5 or more runs since the 2023 season — 2nd lowest in MLB; League Avg: .217.

The Blue Jays are 21-14 (.583) after a loss as underdogs since the 2022 season — best in MLB; League Avg: .406.

The Blue Jays were 20-10 (.667) when tied entering the 7th inning in 2023 — 3rd best in MLB; League Avg: .500.

The Mariners are batting just .125 on pitches out of the zone since the 2022 season — 2nd lowest in MLB; League Avg: .154.

Mariners hitters struck out 422 times in 1,624 PA’s (26%) against LHP in the 2023 season — highest in MLB; League Avg: 23%.

Mariners hitters have put just 33% of their swings in play with two-strikes since last season — lowest in MLB; League Avg: 37%.

Mariners hitters have 436 strikeouts in 1,698 PA’s (26%) against LHP since last season — highest in MLB; League Avg: 22%.

Blue Jays hitters have an OBP of .335 (2,730 PA’s) against LHP since the 2022 season — 2nd best in MLB; League Avg: .319.

Blue Jays hitters had an OBP of .343 (1,405 PA’s) against LHP in the 2023 season — tied for 3rd best in MLB; League Avg: .323.

The Blue Jays are batting just .182 on the first pitch of at-bats this season — 2nd lowest in MLB; League Avg: .322.

Blue Jays hitters have a Hard-Hit Rate of just 28% against RHP this season — lowest in MLB; League Avg: 40%.

Mariners pitchers have walked 450 of 6,424 batters (7%) since last season — 2nd best in MLB; League Avg: 9%.

Mariners pitchers have walked 897 of 12,410 batters (7%) since the 2022 season — 3rd best in MLB; League Avg: 8%.

Mariners pitchers walked 97 of 1,455 batters (7%) when facing the leadoff batter in the inning in the 2023 season — 3rd best in MLB; League Avg: 8%.

Mariners pitchers have an ERA of 3.46 (808.0 IP) at home since last season — best in MLB; League Avg: 4.22.

Blue Jays pitchers have a strikeout rate of just 37% with two-strikes this season — 3rd lowest in MLB; League Avg: 42%.

Blue Jays pitchers had a strikeout rate of 25% in the 2023 season — 3rd best in MLB; League Avg: 23%.

Blue Jays pitchers have a strikeout rate of 25% since last season — 3rd best in MLB; League Avg: 23%.

Blue Jays pitchers won only 15% of games in which they allowed their opponent to score in three different innings at home in the 2023 season — 2nd lowest in MLB; League Avg: 29%.

Blue Jays vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Erik Swanson (Toronto Blue Jays): Forearm, 15-Day IL
  • Jordan Romano (Toronto Blue Jays): Elbow, 15-Day IL
  • Bo Bichette (Toronto Blue Jays): Neck, Day-To-Day
  • Danny Jansen (Toronto Blue Jays): Wrist, 10-Day IL
  • Alek Manoah (Toronto Blue Jays): Shoulder, 15-Day IL
  • Jackson Kowar (Seattle Mariners): Elbow, 60-Day IL
  • Mitch Garver (Seattle Mariners): Back, Day-To-Day
  • Sam Haggerty (Seattle Mariners): Undisclosed, 10-Day IL
  • Gregory Santos (Seattle Mariners): Lat, 15-Day IL
  • Eduard Bazardo (Seattle Mariners): Shoulder, 15-Day IL
  • Bryan Woo (Seattle Mariners): Elbow, 15-Day IL
  • Matt Brash (Seattle Mariners): Elbow, 15-Day IL

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.