Washington Nationals vs Seattle Mariners Prediction, 5/29/2025 MLB Picks, Best Bets & Odds

Game: Washington Nationals vs Seattle Mariners

Date: Thursday, May 29, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Washington (+172) Seattle (-210)

The Seattle Mariners (30-23) will try to defeat the Washington Nationals (24-30) at T-Mobile Park on Thursday. The odds on this game have Washington at +172 and Seattle opens at -210. The over/under is set at 8. The pitchers taking the mound will be MacKenzie Gore and Emerson Hancock.

Washington owns a slugging percentage of .387 and have been rung up 418 times, while drawing a walk on 153 occasions. They have compiled 212 RBI's in addition to 422 base knocks on the campaign, and their batting average is at .241. The Nationals have compiled 84 two-baggers as a team and have hit 52 balls out of the stadium. They have 225 runs scored while having a team OBP of .309. As a squad, the Washington Nationals are knocking in 4.3 runs per game, which is 15th in MLB.

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They have accumulated a K/BB ratio of 2.31 and their pitching staff has recorded a WHIP of 1.41. Nationals pitchers have relinquished 52 home runs and 273 runs in total (25th in MLB). Washington has allowed 469 base hits (9.1 per 9 innings) as well as 262 earned runs. The Nationals have compiled a team earned run average of 5.07 over the course of the season (26th in baseball), and they have rung up 429 batters. They have walked 186 opposing batters and their FIP sits at 4.10 as a unit this season.

The Nationals have sent 181 relievers to the mound for the season. The relievers have inherited 111 runners so far this season and 41.4% of them earned a run for their team. They have compiled 16 saves on the campaign and have blown 7 out of their 23 chances to save the game. The Nationals bullpen have recorded a save percentage of 69.6% and have come into the game in 47 save situations. The relievers have accumulated 24 holds this year (28th in the league). Nationals relief pitchers have entered the game with runners on base 61 times in addition to having 42 appearances in high leverage situations.

The Nationals have turned 67.7% of baseballs in play into outs in their 4,185 innings on the field, which has them ranked 27th in pro baseball. The Washington Nationals have earned 1,395 putouts this year, as well as 452 assists and 27 errors. Their fielding percentage is holding at .986 which has them ranked 18th in professional baseball, and they have turned 38 double plays.

Gore has taken the hill for 434 innings and has earned 497 strikeouts during his pro baseball career. Gore (23-31 win-loss mark in his career) has a FIP of 4.04 while he has faced 1,879 batters during his time in the major leagues. His ERA is 4.10 (198 earned runs allowed) and he has a WHIP of 1.400. He has surrendered 428 hits (8.9 hits per 9 innings) and has 180 walks.

Seattle has 70 home runs so far this season to go along with 230 runs batted in. They have hit 66 doubles, while getting a free base 206 times and recording 238 runs. The Seattle Mariners have tallied an OBP of .325 and a batting average of .237 for the year. The Mariners hold a team slugging percentage of .397 and they have an average of 4.58 runs per game (10th in the league). They have struck out on 469 occasions (8th in the league) and have earned a total of 418 base hits.

The Seattle pitching staff have given up 219 runs this year while holding a team ERA of 3.69 (193 earned runs given up). They have given up 51 home runs and they allow 4.19 runs per 9 innings (15th in MLB). The Mariners hold a team WHIP of 1.323 with a FIP of 3.83 as a squad for the season. They currently have a K/BB ratio of 8.00 (420 strikeouts vs 160 bases on balls). They rank 23rd in the league as a pitching staff in total hits allowed with 462.

Seattle relievers have an inherited score rate of 25.5% out of 47 inherited base runners. Their relief pitchers have taken the field 77 times in high leverage situations and also on 41 occasions with runners on. With 55 save situations, the Mariners have 29 holds in addition to 8 blown saves. They are ranked 8th in the league holding a save percentage of 69.2%, and they have dispatched 181 bullpen pitchers onto the diamond so far this season. Seattle has had bullpen pitchers step onto the hill in 26 save chances and they have walked away with 18 saves.

Out of their 4,236 innings on the diamond, the Mariners have accumulated a defensive efficiency of 68.8% (21st in baseball). The Seattle Mariners have gotten 41 double plays and own a fielding percentage of .988 (8th in baseball). The Mariners have 464 assists, 23 errors and have 1,412 putouts on the season.

During his MLB career, Hancock has conceded 128 base knocks and he has 73 strikeouts in 111 innings. Hancock (6-6 mark in his career) has a 5.18 earned run average and has surrendered 10.4 hits per 9 innings. He has conceded 64 ER's while holding a WHIP of 1.456 and a FIP of 5.1. He has a strikeout to walk ratio of 2.15 and he has gone up against 493 opposing batters so far in his career.

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

Josh Schonwald's Pick: Take Washington (+172)

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