Diamondbacks vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Apr 27

min read
Seattle Mariners' Julio Rodriguez watches his home run during the eighth inning of a baseball game against the San Diego Padres, Tuesday, June 6, 2023, in San Diego. (AP Photo/Gregory Bull)
(AP Photo/Gregory Bull)
BetMGM Betting @BETMGM Apr 27, 2024, 11:00 AM
  • The Mariners are -165 favorites vs the Diamondbacks
  • Diamondbacks vs Mariners Over / Under today: 7.5 Runs
  • Diamondbacks / Mariners TV Channel: FS1 | RTNW | DBTV

The Arizona Diamondbacks (+140) visit T-Mobile Park to take on the Seattle Mariners (-165) on Saturday, April 27, 2024. First pitch is scheduled for 9:40pm EDT in Seattle, WA.

This season, the Diamondbacks are 12-15 against the spread (ATS), while the Mariners are 12-14 ATS.

Diamondbacks vs Mariners Starting Pitchers Today:

  • Diamondbacks starting pitcher: Slade Cecconi 1-0, 3.00 ERA
  • Mariners starting pitcher: George Kirby 2-2, 4.56 ERA

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

SpreadOver / UnderMoneyline
Diamondbacks+1.5 -150O 7.5 -105+140
Mariners -1.5 +125U 7.5 -115-165

Diamondbacks vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 53.3% 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 Diamondbacks players for Saturday‘s game, looking at profitable historical betting trends:

Best Diamondbacks Player Prop Bets Today:

  • Kevin Newman has hit the Home Runs Over in 2 of his last 4 games (+19.50 Units / 488% ROI)
  • Corbin Carroll has hit the Total Bases Under in 11 of his last 12 games (+9.65 Units / 57% ROI)
  • Corbin Carroll has hit the RBIs Under in his last 9 games (+9.00 Units / 40% ROI)
  • Christian Walker has hit the Singles Over in 10 of his last 12 away games (+8.65 Units / 65% ROI)
  • Corbin Carroll has hit the Hits Runs and RBIs Under in 8 of his last 9 games (+7.95 Units / 80% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Jorge Polanco has hit the Runs Under in 21 of his last 25 games (+15.35 Units / 40% ROI)
  • Jorge Polanco has hit the Hits Runs and RBIs Under in 20 of his last 25 games (+14.45 Units / 45% ROI)
  • Cal Raleigh has hit the Home Runs Over in 6 of his last 14 games (+11.65 Units / 83% ROI)
  • Mitch Garver has hit the Total Bases Under in 11 of his last 14 games (+9.65 Units / 61% ROI)
  • Mitch Haniger has hit the Hits Over in 11 of his last 12 games at home (+9.15 Units / 46% ROI)
  • The Arizona Diamondbacks have hit the Game Total Under in 56 of their last 99 games (+14.00 Units / 13% ROI)
  • The Arizona Diamondbacks have hit the Moneyline in 37 of their last 63 games (+11.20 Units / 15% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Under in 54 of their last 93 games (+10.82 Units / 10% ROI)
  • The Arizona Diamondbacks have hit the Team Total Over in 42 of their last 70 away games (+10.10 Units / 12% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Moneyline in 29 of their last 61 games (+9.29 Units / 13% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 33 of their last 61 games (+11.71 Units / 13% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 33 of their last 52 games (+11.13 Units / 18% ROI)
  • The Seattle Mariners have hit the Moneyline in 50 of their last 82 games (+8.75 Units / 7% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 50 of their last 86 games (+7.14 Units / 7% ROI)
  • The Seattle Mariners have hit the Team Total Under in 9 of their last 11 games at home (+7.10 Units / 60% ROI)

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks are 13-14 against the Run Line (-1.55 Units / -4.61% ROI).

  • 12-15 when betting on the Moneyline for -5.95 Units / -16.71% ROI
  • 12-14 when betting on the total runs Over for -3.5 Units / -11.71% ROI
  • 14-12 when betting on the total runs Under for +0.9 Units / 3.05% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 12-14 against the Run Line (-3.25 Units / -9.41% ROI).

  • 14-12 when betting on the Moneyline for -1.6 Units / -5.08% ROI
  • 6-18 when betting on the total runs Over for -13.8 Units / -50.18% ROI
  • 18-6 when betting on the total runs Under for +11.3 Units / 41.09% ROI

Slade Cecconi has not walked a batter in his last 25.1 innings pitched — this is the longest active streak among active MLB players.

Slade Cecconi has not allowed a walk in his last 54 PAs against a LHH dating back to August 16th, 2023 — Matt Strahm has the longest active streak at 88.

Slade Cecconi has not allowed a walk in any of his last three starts — the longest active streak is 4.

Slade Cecconi has a strikeout rate of just 14% (3 SO in 21 PAs) over the past seven days (1 games) — tied for 8th lowest among NL Starters over the last week; League Avg: 21% — 19th Percentile.

Mariners Starting Pitcher Stats & Trends

George Kirby has thrown fastballs 73% of the time (146/201) against right-handed batters this season — highest among among AL Starters; League Avg: 46% — 100th Percentile.

George Kirby has a strike rate of 74% (149/201) against right-handed batters this season — highest among qualified SPs in MLB; League Avg: 65% — 100th Percentile.

George Kirby has not walked any of the 45 batters that he has faced when going through the lineup the second time in a game this season — best among qualified SPs in MLB; League Avg: 8% — 100th Percentile.

George Kirby has walked 12 of 324 batters (4%) when going through the lineup the first time in a game since last season — 2nd best among qualified SPs in MLB; League Avg: 7% — 96th Percentile.

Diamondbacks Keys to the Game vs. the Mariners

The Diamondbacks are just 128-23 (.848) when leading entering the 8th inning since the 2022 season — lowest in MLB; League Avg: .906.

The Diamondbacks are just 144-15 (.906) when leading entering the 9th inning since the 2022 season — lowest in MLB; League Avg: .951.

The Diamondbacks are just 36-71 (.336) vs the top 10 runs allowed teams since the 2022 season — 3rd lowest in MLB; League Avg: .428.

The Diamondbacks are just 60-39 (.606) when they’ve hit 2 or more home runs since the 2022 season — 3rd lowest in MLB; League Avg: .698.

Mariners Keys to the Game vs. the Diamondbacks

The Mariners are 46-6 (.885) when they’ve had 5 or more XBH since the 2022 season — best in MLB; League Avg: .797.

The Mariners are 32-35 (.478) after a win as underdogs since the 2022 season — 5th best in MLB; League Avg: .413.

The Mariners are 83-5 (.943) when leading entering the 8th inning since the 2023 season — 3rd best in MLB; League Avg: .899.

The Mariners are 73-14 (.839) when scoring 5 or more runs since the 2023 season — 4th best in MLB; League Avg: .787.

Diamondbacks hitters have an OPS of .871 (394 PA’s) against LHP this season — 2nd best in MLB; League Avg: .703.

Diamondbacks hitters have an OBP of .410 (117 PA’s) when facing the starting pitcher for the 3rd time in a game this season — 2nd best in MLB; League Avg: .332.

The Diamondbacks are batting .318 against LHP this season — best in MLB; League Avg: .245.

Diamondbacks hitters have an OBP of .374 (394 PA’s) against LHP this season — best in MLB; League Avg: .320.

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 have put just 33% of their swings in play against LHP since last season — lowest in MLB; League Avg: 37%.

Mariners hitters are slugging just .178 with two-strikes this season — tied for 2nd lowest in MLB; League Avg: .250.

Mariners hitters have 477 strikeouts in 1,851 PA’s (26%) against LHP since last season — highest in MLB; League Avg: 22%.

Diamondbacks pitchers have a strikeout rate of just 20% in close and late situations since the 2022 season — lowest in MLB; League Avg: 25%.

Opponents have a groundball rate of just 41% against Diamondbacks pitchers since the 2022 season — 5th lowest in MLB; League Avg: 43%.

Diamondbacks pitchers have won only 7% of games in which they have allowed their opponent to score in three different innings this season — tied for lowest in MLB; League Avg: 26%.

Diamondbacks pitchers have struck out just 17% of left-handed batters they faced this season — lowest in MLB; League Avg: 23%.

Mariners pitchers have walked 62 of 936 batters (7%) this season — best in MLB; League Avg: 9%.

Mariners pitchers have walked 483 of 6,942 batters (7%) since last season — 2nd best in MLB; League Avg: 9%.

Opponents have a groundball rate of just 39% against Mariners pitchers this season — 3rd lowest in MLB; League Avg: 43%.

Mariners pitchers have an ERA of 1.60 (107.0 IP) over the last 14 days — best in MLB; League Avg: 3.74.

Mariners vs. Diamondbacks Injuries Tonight That May Affect Prop Bets 

  • 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
  • Jordan Lawlar (Arizona Diamondbacks): Thumb, 60-Day IL
  • Alek Thomas (Arizona Diamondbacks): Hamstring, Day-To-Day
  • Eduardo Rodriguez (Arizona Diamondbacks): Shoulder, 15-Day IL
  • Paul Sewald (Arizona Diamondbacks): Oblique, 15-Day IL
  • Jose Castillo (Arizona Diamondbacks): Hand, 7-Day IL
  • Drey Jameson (Arizona Diamondbacks): Elbow, 60-Day IL

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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.