Seattle Mariners vs. Oakland Athletics - MLB - Predictions, Betting Lines, Odds and Trends

The Seattle Mariners will meet the Oakland Athletics in the first game of the MLB season on Sunday at T-Mobile Park. The matchup begins at 4:10 PM ET.

The Mariners are heavily favored (-276 on the moneyline to win) when they take the field at home against the Athletics (+225). The Mariners will start Robbie Ray against the Athletics and James Kaprielian. The matchup has an over/under of 7 total runs.

Mariners vs. Athletics Predictions

Mariners vs. Athletics Betting Odds

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Mariners vs. Athletics Hitting Splits 2021

Mariners

The Mariners averaged 1.2 homers per home game last season (94 total at home).
The Mariners had a .369 slugging percentage and averaged 2.5 extra-base hits per game at home.
The team averaged 6.8 hits per game and batted .215 at home last season.
The Mariners’ offense averaged 4.0 runs in home games.
The Mariners had a .295 on-base percentage and averaged 3.4 walks per game at home.
They averaged 9.3 strikeouts per game at home last season.

Athletics

In 81 games on the road last season, they hit 112 homers, an average of 1.4 per contest.
They had a team slugging percentage of .425 in away games last season with 269 extra-base hits.
In away games last season, they had a .247 AVG with 8.6 base hits per contest.
They scored 5.0 runs per game last season on the road.
When they played on the road last season, they had a team on-base percentage of .319 and drew 3.2 walks per game.
In 81 road games last season, they averaged 8.3 strikeouts per contest.

Mariners vs. Athletics Starting Pitcher Betting Trends

Projected starter: Robbie Ray

The Mariners have a 15-16-0 ATS record in Ray’s 31 starts that had a set spread.
The Mariners have been favored on the moneyline in 18 of Ray’s starts this season, and they went 11-7 in those games.
Ray’s team has a 17-14 record in his starts this season.
Ray has had 31 starts with a set total this season, and the teams combined hit the over in 15 of those outings.

Projected starter: James Kaprielian

Kaprielian’s team is 16-9-0 against the spread in his starts this season.
His team is 11-12 this season when he starts and they are the moneyline underdog.
Kaprielian’s team has a 12-13 record in his starts this season.
Games Kaprielian has started this season hit the over 10 times in 25 chances.

Mariners Batting Leaders

Mitch Haniger accumulated 39 home runs and had 100 runs batted in last season.
Jesse Winker hit .305 with 32 doubles, a triple, 24 home runs and 53 walks.
Adam Frazier racked up 176 hits with a batting average of .305 last season.
Ty France hit .291 with 32 doubles, a triple, 18 home runs and 46 walks.

Athletics Batting Leaders

Tony Kemp finished last season with eight home runs, 37 RBI and a batting average of .279.
Sean Murphy finished with 59 RBI while batting .216 and hitting 17 homers.
Seth Brown finished with a .214 batting average last season and 20 home runs.
Chad Pinder collected 52 hits, posted an OBP of .300 and a .411 SLG.