Washington Nationals vs Arizona Diamondbacks Prediction, 5/30/2025 MLB Picks, Best Bets & Odds

Game: Washington Nationals vs Arizona Diamondbacks

Date: Friday, May 30, 2025

Location: Chase Field in Phoenix, AZ

TV: DBACKS.TV

Odds/Point Spread: Washington (+126) Arizona (-152)

The Arizona Diamondbacks (27-29) are welcoming the Washington Nationals (25-30) at Chase Field on Friday. The moneyline on this matchup has the Nationals at +126 while the Diamondbacks are at -152. The total is set at 8. The pitchers who are expected to start are Jake Irvin and Merrill Kelly.

As a team, the Washington Nationals are putting up 4.3 runs per outing, which ranks them 15th in the league. They have racked up 235 runs and hold an on-base percentage of .308. The Nationals have tallied 89 doubles as a unit and have hit 57 baseballs out of the park. They have accounted for 222 RBI's in addition to 438 base knocks over the course of the season, and their average at the plate sits at .241. Washington has a slugging % of .392 and have been rung up 429 times, while taking a walk on 158 occasions.

Get all of our MLB Picks

The Nationals have a team earned run average of 5.04 on the year (26th in MLB), and their staff has rung up 441 batters. Nationals pitchers have allowed 55 home runs and 282 runs (25th in baseball). They have walked 190 opposing hitters and their FIP is 4.13 as a squad on the season. Washington has relinquished 486 hits (9.1 per 9 innings) as well as 270 earned runs. They have a K/BB ratio of 2.32 and their pitching staff has a collective WHIP of 1.40.

Nationals bullpen pitchers have come into the game with runners on base 61 times and also have had 42 appearances in high leverage situations. The relievers have racked up 24 holds so far this season (28th in MLB). The Nationals relievers have recorded a save percentage of 69.6% and stepped onto the hill in 47 save situations. They have accumulated 16 saves so far this year and have blown 7 out of their 23 save opportunities. The relief pitchers have inherited 111 base runners on the season and 41.4% of them crossed home plate. The Nationals have dispatched 187 relievers to the hill for the season.

The Nationals have transformed 67.8% of balls hit into play into outs out of 4,338 innings, which ranks them 25th in professional baseball. The Washington Nationals have a total of 1,446 putouts over the course of the season, as well as 466 assists and 29 errors. Their fielding percentage sits at .985 which ranks 17th in pro baseball, and they have turned 39 double plays.

Irvin (17-22 career record) sits with a FIP of 4.24 while he has faced 1,577 batters during his time in the major leagues. He has surrendered 347 base hits (8.3 hits per nine innings) and has 125 walks. His earned run average is 4.31 (180 earned runs allowed) and his WHIP is 1.254. Irvin has thrown 376 innings and has 302 K's so far in his MLB career.

The Diamondbacks have a slugging percentage of .445 and they have an average of 4.98 runs per contest (5th in baseball). They have recorded 110 doubles, while walking 202 times as well as scoring 279 runs. Arizona has 77 HRs over the course of the season to go along with 272 RBIs. They have been rung up on 423 occasions (26th in baseball) and have accounted for 484 base knocks. The Arizona Diamondbacks have a team OBP of .331 as well as a batting average of .254 on the campaign.

The Diamondbacks have a team WHIP of 1.327 with a FIP of 4.29 as a pitching staff on the year. They have a ranking of 22nd in baseball as a staff in total hits allowed with 475. The Arizona pitching staff have surrendered 285 runs for the season while holding a team ERA of 4.73 (262 earned runs surrendered). They currently have a strikeout to walk ratio of 8.60 (476 strikeouts vs 186 walks). They have given up 72 HR's and they relinquish 5.15 runs per 9 innings (24th in the league).

Arizona relievers have an inherited score rate of 33.3% of 57 inherited runners. Their relief pitchers have taken the field 55 times in high leverage situations in addition to 46 occasions with runners on. Sitting with 59 save situations, the Diamondbacks have earned 30 holds and 11 blown saves. They are ranked 18th in the league with a save percentage of 60.7%, and they have sent 170 relievers onto the diamond so far this year. Arizona has called on relievers to enter the contest in 28 save chances and they have come away with 17 saves.

The Arizona Diamondbacks have gotten 40 double plays and have a fielding percentage of .986 (16th in MLB). The Diamondbacks have accrued 498 assists, 29 errors and are sitting with 1,496 putouts over the course of the season. In 4,488 innings on the diamond, the Diamondbacks have earned a defensive efficiency of 69.6% (19th in professional baseball).

In his pro baseball career, Kelly has allowed 799 hits while he has accumulated 802 K's in 888 frames. He has surrendered a total of 375 earned runs while earning a WHIP of 1.201 and having a FIP of 3.7. He has a K/BB ratio of 2.99 and he has gone up against 3,650 batters so far in his pro baseball career. Kelly (58-46 career mark) has a 3.80 earned run average while giving up 8.1 hits per nine innings.

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

Guy Bruhn's Pick: Take Washington (+126)

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