Washington Nationals vs Seattle Mariners Prediction, 5/27/2025 MLB Picks, Best Bets & Odds

Game: Washington Nationals vs Seattle Mariners

Date: Tuesday, May 27, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Washington (+125) Seattle (-150)

The Seattle Mariners (29-23) will compete against the Washington Nationals (24-29) at T-Mobile Park on Tuesday. The odds on this game have Washington at +125 while Seattle is opening at -150. The over/under is 9. The expected starting pitchers will be Mitchell Parker and Logan Evans.

Washington has a slugging percentage of .387 and have been called out on strikes 418 times, while taking a walk on 153 occasions. They have recorded 212 RBI's in addition to 422 hits this year, while their average at the plate is .241. The Nationals have tallied 84 two-baggers as a squad and have hit 52 baseballs out of the park. They have racked up 225 runs scored and hold an OBP of .309. As a unit, the Washington Nationals are notching 4.3 runs per outing, which puts them at 16th in MLB.

Get all of our Free MLB Picks

The Nationals have an ERA of 5.07 so far this season (26th in baseball), and the staff has struck out 429 batters. Nationals pitchers have allowed 52 home runs and also 273 runs (26th in the league). Their pitching staff has walked 186 opposing hitters and their FIP is 4.12 as a team this season. Washington has surrendered 469 hits (9.1 per 9 innings) as well as 262 earned runs. They have accumulated a K/BB ratio of 2.31 and the pitching staff has a collective WHIP of 1.41.

Nationals relief pitchers have gone to the mound with runners on 61 times and also have had 42 appearances in high leverage situations. The relief pitchers have a total of 24 holds on the season (28th in baseball). The Nationals bullpen have accumulated a save percentage of 69.6% and have entered the game in 47 save situations. They have compiled 16 saves so far this season and have blown 7 of their 23 save chances. The relief pitchers have inherited 111 runners so far this year and 41.4% of those players earned a run for their team. The Nationals have sent 181 relief pitchers to the hill on the campaign.

The Nationals have converted 67.7% of balls hit into play into outs out of their 4,185 innings, which has them ranked 27th in baseball. The Washington Nationals have 1,395 putouts so far this season, as well as 452 assists and 27 errors. Their fielding rate sits at .986 which puts them in 19th in the majors, and they have turned 38 double plays.

Parker has taken the ball for 206 innings and is sitting with 169 strikeouts in his pro baseball career. Parker (11-13 career record) sits with a FIP of 4.26 and he has faced 884 opposing hitters in the major leagues. His earned run average is 4.32 (99 earned runs allowed) and he has a WHIP of 1.305. He has conceded 201 hits (8.8 hits per 9 innings) and has had 68 free passes.

Seattle has compiled 70 long balls this season to go along with 230 RBIs. They have recorded 66 doubles, while walking 206 times as well as notching 238 runs. The Seattle Mariners hold an on-base percentage of .325 in addition to a batting average of .237 this season. The Mariners hold a team slugging percentage of .397 and they are scoring 4.58 runs per contest (10th in MLB). They have been called out on strikes on 469 instances (6th in the league) and have notched a total of 418 base hits.

The Mariners have a team WHIP of 1.323 in addition to having a FIP of 3.84 as a team so far this year. They sit at 23rd in baseball as a pitching staff in total hits relinquished with 462. The Seattle pitching staff have given up 219 runs over the course of the season while holding an ERA of 3.69 (193 earned runs conceded). Their strikeout to walk ratio is 8.00 (420 strikeouts vs 160 free passes). They have allowed 51 long balls and they relinquish 4.19 runs per 9 innings (15th in MLB).

Seattle relievers hold an inherited score percentage of 25.5% out of their 47 inherited runners. Their relievers have stepped onto the mound 77 times in high leverage situations and on 41 occasions with runners on base. Sitting with 55 save situations, the Mariners have 29 holds in addition to 8 blown saves. They are currently ranked 8th in baseball holding a save rate of 69.2%, and they have sent 181 relievers to the mound so far this year. Seattle has had relief pitchers step onto the hill in 26 save opportunities and they have come away with 18 saves.

The Seattle Mariners have turned 41 double plays and have earned a fielding percentage of .988 (9th in MLB). The Mariners have accrued 464 assists, 23 errors and have a total of 1,412 putouts for the year. Out of their 4,236 innings on the diamond, the Mariners have a defensive efficiency of 68.8% (21st in MLB).

So far in his MLB career, Evans has surrendered 30 hits while he has earned 21 strikeouts in 27 innings pitched. He has given up 10 earned runs while earning a WHIP of 1.444 and being the owner of a FIP of 3.3. He has a K/BB ratio of 2.33 and he has gone up against 117 opposing batters in his MLB career. Evans (2-1 career record) has a 3.33 earned run average and has conceded 10.0 hits per nine innings.

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

Tony Sink's Pick: Take Washington (+125)

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