Blue Jays vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for July 4

Odds updated as of 12:12 a.m.

MLB action on Saturday includes the Toronto Blue Jays playing the Seattle Mariners.

All the information you need to make smart wagers on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Blue Jays vs Mariners Game Info

• Toronto Blue Jays (41-46) vs. Seattle Mariners (45-43)
• Date: Saturday, July 4, 2026
• Time: 4:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and SNET

Blue Jays vs Mariners Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TOR: (-134) | SEA: (+114)
• Spread: TOR: -1.5 (+132) | SEA: +1.5 (-160)
• Total: 7 -- Over: (-120) | Under: (-102)

Blue Jays vs Mariners Probable Starting Pitchers

Probable Pitchers: Shane Bieber (Blue Jays) - 0-0, 6.00 ERA vs Logan Gilbert (Mariners) - 6-5, 3.42 ERA

The Blue Jays will give the ball to Shane Bieber and the Mariners will turn to Logan Gilbert (6-5, 3.42 ERA). Bieber has a record of 0-2-0 ATS in two starts with a spread this season. Bieber's team is 0-2 this season when he starts and they're favored on the moneyline. The Mariners are 7-10-0 ATS in Gilbert's 17 starts with a set spread. The Mariners were the underdog on the moneyline for two Gilbert starts this season -- they lost both.

Blue Jays vs Mariners Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (69.1%)

Blue Jays vs Mariners Moneyline

• The moneyline numbers for Blue Jays vs. Mariners reveal Toronto as the favorite (-134) and Seattle as the underdog (+114) despite being the home team.

Blue Jays vs Mariners Spread

• The Blue Jays are at the Mariners and are favored by 1.5 runs (+132 to cover) on the runline. Seattle is -160 to cover.

Blue Jays vs Mariners Over/Under

• A combined run total of 7 has been set for Blue Jays-Mariners on July 4, with the over at -120 and the under at -102.

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Blue Jays vs Mariners Betting Trends

• The Blue Jays have been victorious in 27, or 55.1%, of the 49 contests they have been chosen as favorites in this season.
• This year Toronto has won 13 of 27 games when listed as at least -134 on the moneyline.
• The Blue Jays and their opponents have hit the over in 45 of their 86 games with a total set by oddsmakers this season.
• The Blue Jays are 41-45-0 against the spread in their 86 games that had a posted line this season.
• The Mariners have compiled a 2-6 record in games they were the underdog on the moneyline (winning 25% of those games).
• Seattle has not yet played a game with moneyline odds of +114 or longer.
• The Mariners have combined with opponents to hit the over on the total 41 times this season for a 41-43-3 record against the over/under.
• The Mariners have collected a 32-55-0 record against the spread this season (covering just 36.8% of the time).

Blue Jays Player Leaders

• Vladimir Guerrero Jr. leads Toronto in OBP (.348) this season, fueled by 81 hits. He has a .267 batting average and a slugging percentage of .350.
• He ranks 56th in batting average, 50th in on-base percentage, and 133rd in slugging among qualified hitters in baseball.
• Guerrero will look for his third straight game with a hit in this contest. In his last five games he is hitting .190 with a double, a walk and two RBIs.
• Ernie Clement has hit seven homers this season while driving in 29 runs. He's batting .299 this season and slugging .439 with an on-base percentage of .322.
• Among all qualified, he ranks 10th in batting average, 95th in on-base percentage and 67th in slugging percentage.
• Kazuma Okamoto leads Toronto in total hits (73) this season, and 30 of those have gone for extra bases.
• Daulton Varsho has seven home runs, 23 RBI and a batting average of .258 this season.
• Varsho has hit safely in three straight games. In his last five games he is hitting .158 with a double, a walk and an RBI.

Mariners Player Leaders

• Randy Arozarena has put up an on-base percentage of .375 and has 83 hits, both team-high numbers for the Mariners. He's batting .284 and slugging .442.
• Including all the qualified hitters in the majors, he ranks 24th in batting average, 20th in on-base percentage and 66th in slugging percentage.
• Josh Naylor is batting .254 with 11 doubles, eight home runs and 27 walks. He's slugging .364 with an on-base percentage of .317.
• Including all qualifying hitters, he ranks 79th in batting average, 104th in on-base percentage and 127th in slugging percentage.
• Cole Young has 12 doubles, a triple, nine home runs and 23 walks while batting .259.
• Dominic Canzone is hitting .269 with 13 doubles, a triple, 13 home runs and 21 walks.

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