Mariners vs Athletics Prediction, Odds & Player Prop Bets Today – MLB, Sep 18

min read
Oakland Athletics' Brent Rooker scores on a double by Aledmys Diaz off Pittsburgh Pirates relief pitcher Rob Zastryzny during the eighth inning of a baseball game in Pittsburgh, Monday, June 5, 2023.
(AP Photo/Gene J. Puskar)
BetMGM Betting @BETMGM Sep 18, 2023, 3:30 PM
  • The Mariners are -185 favorites vs the Athletics
  • Mariners starting pitcher: Bryan Woo
  • Athletics starting pitcher: John Patrick Sears
  • Watch the game on NBCS-CA

The Seattle Mariners (-185) visit Oakland Coliseum to take on the Oakland Athletics (+150) on Monday, September 18, 2023. First pitch is scheduled for 9:40pm EDT in Oakland.

The Mariners are the betting favorite in this game, with the run line sitting at -1.5 (-105).

The Mariners vs Athletics Over/Under is 7.5 total runs for the game.

This season, the Mariners are 81-68 against the spread (ATS), while the Athletics are 73-76 ATS.

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

SpreadOver / UnderMoneyline
Mariners-1.5 -105O 7.5 -115-185
Athletics +1.5 -115U 7.5 -105+150

Mariners vs Athletics Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Monday‘s MLB matchup with 73.7% confidence.

This prediction factors in starting pitchers, recent team and player hitting performances, the last 5 games for both the Mariners and Athletics and up-to-date player injuries.


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

Best Mariners Player Prop Bets Today:

  • Teoscar Hernandez has hit the Singles Over in 30 of his last 46 games (+13.05 Units / 26% ROI)
  • Teoscar Hernandez has hit the Total Bases Over in 17 of his last 23 away games (+11.90 Units / 46% ROI)
  • Teoscar Hernandez has hit the Hits Over in 18 of his last 25 away games (+11.45 Units / 25% ROI)
  • Julio Rodriguez has hit the Total Bases Over in 16 of his last 20 games (+11.10 Units / 47% ROI)
  • Julio Rodriguez has hit the Hits Runs and RBIs Over in 15 of his last 21 away games (+9.30 Units / 37% ROI)

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

Best Athletics Player Prop Best Bets Today:

  • Seth Brown has hit the Runs Under in 24 of his last 31 games (+11.85 Units / 21% ROI)
  • Zack Gelof has hit the Total Bases Over in 17 of his last 24 games at home (+9.40 Units / 26% ROI)
  • Brent Rooker has hit the Runs Over in 9 of his last 13 games at home (+9.35 Units / 72% ROI)
  • Zack Gelof has hit the Hits Over in 19 of his last 24 games at home (+9.30 Units / 20% ROI)
  • Esteury Ruiz has hit the Total Bases Under in 13 of his last 19 games at home (+8.30 Units / 33% ROI)

Athletics vs Mariners Home Run Prop Bets Today

Over Under
Teoscar Hernandez 0.5 +280 0.5 -450
J.P. Crawford 0.5 +675 0.5 -2000
Lawrence Butler 0.5 +600 0.5 -1600
Eugenio Suarez 0.5 +400 0.5 -750
Seth Brown 0.5 +375 0.5 -700

Athletics vs Mariners Total Hits Prop Bets Today

Over Under
Teoscar Hernandez 0.5 -250 0.5 +180
Nick Allen 0.5 -110 0.5 -115
J.P. Crawford 0.5 -190 0.5 +145
Lawrence Butler 0.5 -130 0.5 +100
Eugenio Suarez 0.5 -140 0.5 +105

Athletics vs Mariners RBI Prop Bets Today

Over Under
Teoscar Hernandez 0.5 +130 0.5 -175
Nick Allen 0.5 +425 0.5 -700
J.P. Crawford 0.5 +220 0.5 -300
Lawrence Butler 0.5 +280 0.5 -400
Eugenio Suarez 0.5 +200 0.5 -275

Athletics vs Mariners Strikeout Prop Bets Today

Over Under
JP Sears 5.5 +100 5.5 -135
Bryan Woo 5.5 -150 5.5 +115
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 27 of their last 48 games (+13.69 Units / 19% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 25 of their last 36 away games (+13.17 Units / 32% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 45 of their last 73 games (+11.49 Units / 13% ROI)
  • The Seattle Mariners have hit the Moneyline in 24 of their last 37 away games (+9.35 Units / 19% ROI)
  • The Seattle Mariners have hit the Game Total Over in 14 of their last 20 away games (+8.75 Units / 40% ROI)
  • The Oakland Athletics have hit the Team Total Under in 80 of their last 135 games (+17.53 Units / 11% ROI)
  • The Oakland Athletics have covered the Run Line in 51 of their last 88 games (+12.40 Units / 12% ROI)
  • The Oakland Athletics have hit the Game Total Over in 40 of their last 71 games (+7.35 Units / 9% ROI)
  • The Oakland Athletics have covered the 1st Five Innings (F5) Run Line in 48 of their last 89 games (+6.70 Units / 7% ROI)
  • The Oakland Athletics have hit the Moneyline in 12 of their last 25 games (+5.25 Units / 21% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this MLB season, the Mariners have gone 70-79 against the Run Line (-13.8 Units / -7.29% ROI).

  • 81-68 when betting on the Moneyline for -7.9 Units / -3.61% ROI
  • 75-69 when betting on the total runs Over for -0.75 Units / -0.45% ROI
  • 69-75 when betting on the total runs Under for -12.75 Units / -7.81% ROI

Athletics Against the Spread (ATS) Record

Against the spread this MLB season, the Athletics have gone 73-76 against the Run Line (-7.55 Units / -4.41% ROI).

  • 46-103 when betting on the Moneyline for -27.35 Units / -18.26% ROI
  • 77-66 when betting on the total runs Over for +3.15 Units / 1.9% ROI
  • 66-77 when betting on the total runs Under for -18 Units / -11.08% ROI

Bryan Woo has thrown fastballs 74% of the time (893/1,199) this season — highest in MLB among starting pitchers with at least 58 total IP; League Avg: 47% — 100th Percentile.

Left-handed hitters have a groundball rate of just 28% (29/104) against Bryan Woo this season — 4th lowest in MLB among starting pitchers with at least 58 total IP; League Avg: 42% — third Percentile.

Bryan Woo had a strike rate of 81% (67/83) — highest in MLB over the last week; League Avg: 65% — 100th Percentile.

Opponents have a = 95 mph’>Hard-Hit Rate of just 32% (67/209) against Bryan Woo this season — 5th best in MLB among starting pitchers with at least 58 total IP; League Avg: 41% — 97th Percentile.

Athletics Starting Pitcher Stats & Trends

Opponents have a groundball rate of just 30% (138/463) against JP Sears this season — lowest among qualified SPs in MLB; League Avg: 44% — first Percentile.

Right-handed hitters have a groundball rate of just 28% (103/366) against JP Sears this season — lowest among qualified SPs in MLB; League Avg: 45% — second Percentile.

Opponents have a groundball rate of just 34% (64/187) against JP Sears in two-strike counts this season — lowest among qualified SPs in MLB; League Avg: 46% — second Percentile.

Opponents have a groundball rate of just 27% (74/276) against JP Sears in non-two strike counts this season — lowest among qualified SPs in MLB; League Avg: 43% — second Percentile.

Mariners Keys to the Game vs. the Athletics

The Mariners are 30-29 (.508) after a win as underdogs since last season — 3rd best in MLB; League Avg: .419.

The Mariners are 126-12 (.913) when leading entering the 7th inning since last season — 5th best in MLB; League Avg: .870.

The Mariners are 140-3 (.979) when leading entering the 9th inning since last season — 2nd best in MLB; League Avg: .951.

The Mariners are 43-6 (.878) when they’ve had 10 or more hits this season — best in MLB; League Avg: .731.

Athletics Keys to the Game vs. the Mariners

The Athletics are just 83-60 (.580) when allowing 4 or fewer runs since last season — lowest in MLB; League Avg: .718.

The Athletics are just 4-7 (.364) after a win as favorites since last season — lowest in MLB; League Avg: .594.

The Athletics are just 26-75 (.257) after a loss this season — lowest in MLB; League Avg: .483.

The Athletics are just 14-35 (.286) after a home loss this season — lowest in MLB; League Avg: .505.

Mariners hitters are slugging just .170 on pitches out of the zone since the 2021 season — 2nd lowest in MLB; League Avg: .211.

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

The Mariners are batting just .242 when facing the starting pitcher for the 3rd time in a game this season — tied for 2nd lowest in MLB; League Avg: .267.

The Mariners are batting just .231 at home since last season — 2nd lowest in MLB; League Avg: .249.

Athletics hitters have an OBP of just .288 (8,288 PA’s) against RHP since last season — tied for lowest in MLB; League Avg: .315.

Athletics hitters have an OBP of just .286 (5,539 PA’s) at home since last season — lowest in MLB; League Avg: .320.

The Athletics are batting just .212 at home since last season — lowest in MLB; League Avg: .249.

The Athletics are batting just .212 against division opponents since last season — lowest in MLB; League Avg: .245.

Mariners pitchers have walked 373 of 5,491 batters (7%) this season — tied for best in MLB; League Avg: 9%.

Mariners pitchers have walked 182 of 2,790 batters (7%) when facing the leadoff batter in the inning since last season — 3rd best in MLB; League Avg: 8%.

Mariners pitchers have walked 87 of 1,332 batters (7%) when facing the leadoff batter in the inning this season — 4th best in MLB; League Avg: 8%.

Mariners pitchers have thrown at least two strikes in their first three pitches to 69% of opposing batters this season — highest in MLB; League Avg: 64%.

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

Opponents have a groundball rate of just 40% against Athletics pitchers since last season — lowest in MLB; League Avg: 43%.

Athletics pitchers have an ERA of 6.12 (626.2 IP) on the road this season — highest in MLB; League Avg: 4.45.

Athletics pitchers have walked 639 of 5,842 batters (11%) this season — highest in MLB; League Avg: 9%.

Athletics vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Angel Felipe (Athletics): Elbow, D15
  • Richard Lovelady (Athletics): Arm, D60
  • James Kaprielian (Athletics): Shoulder, D60
  • Austin Pruitt (Athletics): Forearm, D15
  • Jeffrey Bleday (Athletics): Knee, D10
  • Drew Rucinski (Athletics): Illness, D60
  • Zachary Jackson (Athletics): Elbow, D60
  • Sean Newcomb (Athletics): Knee, D15
  • Yacksel Ríos (Athletics): Finger, D60
  • Frederic Tarnok (Athletics): Calf, D60
  • Emerson Hancock (Mariners): Shoulder, D60
  • Easton McGee (Mariners): Forearm, D60
  • Marco Gonzales (Mariners): Forearm, D60
  • Thomas Murphy (Mariners): Thumb, D10
  • Robert Ray (Mariners): Flexor, D60
  • William Murfee (Mariners): Elbow, D60
  • Evan White (Mariners): Adductor, D60

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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.