San Diego Padres vs Seattle Mariners Prediction, 5/17/2026 MLB Picks, Best Bets & Odds

Game: San Diego Padres vs Seattle Mariners

Date: Sunday, May 17, 2026

Location: T-Mobile Park in Seattle, WA

TV: MLB.TV

Odds/Point Spread: San Diego (+150) Seattle (-182)

T-Mobile Park is the site where the Seattle Mariners (22-23) will compete against the San Diego Padres (25-18) on Sunday. The moneyline on this contest has the Padres at +150 and the Mariners are at -182. The total has been set at 8.5. The pitchers taking the mound will be Walker Buehler and George Kirby.

The Padres have accounted for 65 two-baggers as a squad and have hit 41 balls out of the stadium. San Diego has a slugging rate of .365 and have struck out 369 times, while drawing a walk on 138 occasions. As a unit, the San Diego Padres are putting up 4.1 runs per outing, which is 24th in baseball. They have accounted for 171 runs batted in and 313 hits for the season, while their batting average is .222. They have accounted for 178 runs scored while holding a team on-base percentage of .294.

Get all of our MLB Parlay Picks

The Padres are sitting with a team ERA of 4.14 for the year (16th in the league), and the staff has rung up 377 batters. Padres pitchers have relinquished 36 long balls in addition to 181 runs in total (11th in baseball). They have walked 141 players from the other team and their FIP comes in at 3.61 as a unit so far this year. San Diego has relinquished 342 base hits (8.0 per 9 innings) as well as 176 earned runs. Their strikeout to walk ratio is 2.67 and their pitching staff has a team WHIP of 1.26.

The Padres have dispatched 143 relief pitchers to the mound this season. The relievers have inherited 66 base runners on the season with 33.3% of them earned a run for their team. The bullpen have 28 holds for the year (7th in the league). Padres pitchers have gone to the mound with players on base 39 times as well as having 46 appearances in high leverage situations. They have tallied 15 saves so far this year and have blown 7 out of their 22 save opportunities. The Padres relief pitchers have a save rate of 68.2% and have entered the game in 52 save situations.

The San Diego Padres have amassed 1,149 putouts thus far, as well as 389 assists and 12 errors. Their fielding percentage is currently at .992 which puts them in 1st in MLB, and they have turned 31 double plays. The Padres have converted 69.8% of balls hit into play into outs out of 3,447 innings on the field, which has them ranked 19th in MLB.

Buehler (59-31 career mark) has a FIP of 3.53 while he has faced 3,625 opposing hitters during his time in the majors. He has given up 755 hits (7.8 hits per 9 innings) and has had 263 walks. His ERA is 3.59 (349 earned runs allowed) and he has a WHIP of 1.163. Buehler has taken the ball for 875 innings and has tallied 877 strikeouts during his pro baseball career.

The Mariners have a team slugging % of .386 and they are recording 4.24 runs per contest (18th in the league). They have hit 61 two-baggers, while walking 176 times as well as scoring 191 runs. Seattle has accumulated 53 home runs so far this year as well as 186 runs batted in. They have been rung up on 407 occasions (3rd in the league) and have tallied 346 hits. The Seattle Mariners hold a team on-base percentage of .322 in addition to a batting average of .232 on the year.

The Mariners hold a team WHIP of 1.230 and are the owners of a FIP of 3.70 as a staff this season. Their K/BB ratio sits at 8.60 (384 strikeouts against 113 walks). They are sitting at 25th in the league as a staff in total hits conceded with 379. They have given up 45 home runs and they concede 3.94 runs per 9 innings (6th in MLB). The Seattle pitching staff have given up 175 runs on the season while having an ERA of 3.62 (161 earned runs conceded).

Sitting with 43 save situations, the Mariners have recorded 24 holds and also 7 blown saves. Seattle has had relievers enter the contest in 19 save opportunities and they have tallied 12 saves. Seattle relief pitchers hold an inherited score percentage of 13.0% of 46 inherited runners. Their bullpen pitchers have stepped onto the mound 59 times in high leverage situations in addition to 35 occasions with runners on base. They are currently ranked 16th in the league holding a save percentage of 63.2%, and they have dispatched 141 relievers to the mound on the campaign.

In their 3,603 innings on the field, the Mariners have earned a defensive efficiency of 68.9% (24th in pro baseball). The Seattle Mariners have gotten 42 double plays and own a fielding percentage of .990 (4th in baseball). The Mariners have recorded 378 assists, 16 errors and have amassed 1,201 putouts so far this season.

In his MLB career, Kirby has surrendered 668 base hits while he has tallied 667 K's in 694 innings. Kirby (50-36 win-loss record in his career) holds a 3.53 earned run average while giving up 8.7 hits per 9 innings. He has given up a total of 272 earned runs while holding a WHIP of 1.116 and having a FIP of 3.5. He has a strikeout to walk ratio of 6.23 and he has faced 2,828 hitters so far in his career.

Who will win tonight's MLB game against the spread or moneyline?

Josh Schonwald's Pick: Take San Diego (+150)

Get $60 worth of FREE premium member picks. No Obligation. No Salesman. No Credit Card. Fast Sign up with Instant Access Click Here

Get MLB picks on every single game, or if you want our very best bets by the experts, sign up for your free $60 account with a guarantee.