• The Mariners are -145 favorites vs the Giants
• Giants vs Mariners Over / Under today: 7 Runs
• Giants / Mariners TV Channel: FOX

The San Francisco Giants (+118) visit T-Mobile Park to take on the Seattle Mariners (-145) on July 18, 2026. First pitch is scheduled for 8:08 pm in Seattle, WA.

This season, the Giants are against the spread (ATS), while the Mariners are ATS.

Giants vs Mariners Starting Pitchers Today:

• Giants starting pitcher: Logan Webb 5-7, 3.85 ERA
• Mariners starting pitcher: Bryan Woo 7-6, 4.23 ERA

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

Giants vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 57.5% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Giants vs Mariners and all games with BetMGM

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

Best Giants Player Prop Bets Today:

• Jung Hoo Lee has hit the Runs Over in 14 of his last 20 away games (+12.49 Units / 60% ROI)
• Luis Arraez has hit the Home Runs Over in 1 of his last 6 away games (+10.00 Units / 167% ROI)
• Jung Hoo Lee has hit the Hits Runs and RBIs Over in 15 of his last 20 away games (+9.45 Units / 40% ROI)
• Jung Hoo Lee has hit the Total Bases Over in 13 of his last 20 away games (+7.50 Units / 34% ROI)
• Rafael Devers has hit the Singles Under in 17 of his last 25 away games (+7.05 Units / 20% 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:

• Luke Raley has hit the Runs Under in 22 of his last 25 games (+17.55 Units / 38% ROI)
• J.P. Crawford has hit the Hits Runs and RBIs Under in 17 of his last 20 games at home (+13.00 Units / 50% ROI)
• Dominic Canzone has hit the Home Runs Over in 4 of his last 9 games at home (+12.20 Units / 136% ROI)
• Cal Raleigh has hit the Total Bases Under in 13 of his last 15 games at home (+11.60 Units / 58% ROI)
• J.P. Crawford has hit the Singles Under in 19 of his last 25 games at home (+11.60 Units / 37% ROI)

Giants Best Bets Today:

• The San Francisco Giants have hit the Team Total Under in 32 of their last 50 away games (+12.20 Units / 21% ROI)
• The San Francisco Giants have hit the Game Total Over in 12 of their last 23 away games (+5.40 Units / 21% ROI)
• The San Francisco Giants have covered the Run Line in 10 of their last 16 games (+4.90 Units / 25% ROI)
• The San Francisco Giants have hit the 1st Five Innings (F5) Team Total Under in 24 of their last 40 games (+4.80 Units / 10% ROI)
• The San Francisco Giants have covered the 1st Five Innings (F5) Run Line in 11 of their last 17 away games (+3.70 Units / 18% ROI)

Mariners Best Bets Today:

• The Seattle Mariners have hit the Team Total Under in 27 of their last 40 games (+12.75 Units / 27% ROI)
• The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 17 of their last 25 games (+8.30 Units / 27% ROI)
• The Seattle Mariners have hit the Moneyline in 14 of their last 20 games at home (+6.05 Units / 21% ROI)
• The Seattle Mariners have hit the Game Total Over in 24 of their last 45 games (+4.45 Units / 9% ROI)
• The Seattle Mariners have covered the Run Line in 8 of their last 15 games at home (+3.45 Units / 21% ROI)

Giants Against the Spread (ATS) Record

Against the spread this season, the Giants are against the Run Line ( Units / ROI).

• away moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
• away total over record when betting on the total runs Over for over units Units / over ROI ROI
• away total under record when betting on the total runs Under for under units Units / under ROI ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are against the Run Line ( Units / ROI).

• home moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
• home total over record when betting on the total runs Over for over units Units / over ROI ROI
• home total under record when betting on the total runs Under for under units Units / under ROI ROI

Mariners vs Giants Home Run Prop Bets Today

Mariners vs Giants Total Hits Prop Bets Today

Mariners vs Giants Strikeout Prop Bets Today

Giants Keys to the Game vs. the Mariners

The Giants are just 1-44 (.022) when trailing entering the 8th inning this season — 2nd lowest in MLB; League Avg: .098.

The Giants are just 1-40 (.024) when trailing entering the 7th inning this season — lowest in MLB; League Avg: .136.

The Giants are just 7-10 (.412) vs bottom 10 scoring offenses this season Today, they face the Mariners (28th in runs scored).

The Giants are just 32-9 (.780) when leading entering the 7th inning this season — 4th lowest in MLB; League Avg: .864.

Mariners Keys to the Game vs. the Giants

The Mariners are just 12-26 (.316) vs bottom 10 scoring offenses this season Today, they face the Giants (24th in runs scored).

The Mariners are just 4-39 (.093) when trailing entering the 7th inning this season — 5th lowest in MLB; League Avg: .136.

The Mariners are just 1-40 (.024) when trailing entering the 8th inning this season — 3rd lowest in MLB; League Avg: .098.

The Mariners are just 1-44 (.022) when trailing entering the 9th inning this season — 3rd lowest in MLB; League Avg: .054.

Giants Hitting Stats & Trends

The Giants are batting .266 on the road this season — 2nd best in MLB.

The Giants are batting .259 with two outs this season — best in MLB.

The Giants are batting .185 with two-strikes this season — 2nd best in MLB.

Giants hitters have drawn walks in 7% of their PA’s against RHP this season — lowest in MLB.

Mariners Hitting Stats & Trends

Mariners hitters have 52 extra-base hits out of 187 total hits (just 28%) against LHP this season — lowest in MLB.

Mariners hitters are slugging just .334 against LHP this season — lowest in MLB.

Mariners hitters have an OBP of just .297 (1,011 PA’s) against LHP this season — tied for 2nd lowest in MLB.

The Mariners are batting just .212 against LHP this season — lowest in MLB.

Giants Pitching Stats & Trends

Giants pitchers have won only 16% of games in which they have allowed their opponent to score in three different innings this season — tied for lowest in MLB.

Opponents have a groundball rate of 46% against Giants pitchers this season — 3rd highest in MLB.

Giants pitchers have thrown at least two strikes in their first three pitches to 58% of opposing batters this season — lowest in MLB.

Opponents have a miss rate of just 23% against Giants pitchers this season — 5th lowest in MLB.

Mariners Pitching Stats & Trends

Mariners pitchers have walked 7% of batters this season — best in MLB.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — best in MLB.

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

The Mariners pitchers have allowed their opponents to score first in just 40% of their games at home this season — lowest in MLB.

More MLB Reading:

• Home Run Predictions Today
• Best NRFI Bets Today
• Strikeout Props Today
• MLB Starting Pitchers Today

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