Miami Marlins vs Washington Nationals Prediction, 8/31/2026 MLB Picks, Best Bets & Odds

Game: Miami Marlins vs Washington Nationals

Date: Monday, August 31, 2026

Location: Nationals Park in Washington, D.C.

TV: Nationals.TV

Odds/Point Spread: Miami (-144) Washington (+120)

The Washington Nationals (64-73) will try to defeat the Miami Marlins (68-67) at Nationals Park on Monday. The moneyline on this contest has Miami at -144 while Washington is opening at +120. The over/under has been set at 8.5. The expected starting pitchers will be Tyler Phillips and Will Dion.

As a team, the Miami Marlins are notching 4.3 runs per game, which has them sitting at 20th in baseball. They have 584 runs scored and have an OBP of .326. The Marlins have accounted for 211 two-baggers as a squad and have hit 135 balls out of the stadium. They have accumulated 558 RBI's in addition to 1,114 base knocks this season, while their team batting average comes in at .249. Miami is slugging .399 and have been called out on strikes 1,098 times, while taking a walk on 464 occasions.

Get all of our MLB Parlay Picks

They have earned a strikeout to walk ratio of 2.43 and their pitching staff holds a WHIP of 1.25. Marlins pitchers have given up 134 home runs and also 572 runs in total (10th in the league). Miami has allowed 1,025 base knocks (7.8 per 9 innings) and 516 earned runs. The Marlins have a team ERA of 3.92 over the course of the season (9th in baseball), and their staff has rung up 1,103 hitters. Their pitching staff has walked 453 opposing hitters and their FIP is 4.01 as a unit so far this season.

The Marlins relief pitchers have a save percentage of 62.5% and have entered the game in 126 save situations. They have recorded 30 saves on the season and have blown 18 of their 48 save opportunities. The relievers have inherited 166 base runners on the campaign with 22.9% of them ended up crossing the plate. Marlins relief pitchers have stepped onto the hill with runners on 115 times in addition to having 129 appearances in high leverage situations. The Marlins have sent 437 relievers to the hill over the course of the season. The relief pitchers have recorded 76 holds on the season (11th in MLB).

The Marlins have turned 70.9% of balls hit into play into outs out of their 10,665 innings, which has them sitting at 9th in MLB. The Miami Marlins are sitting with 3,555 putouts thus far, as well as 1,128 assists and 85 errors. Their fielding percentage sits at .982 which is 27th in professional baseball, and have accumulated 96 double plays.

Phillips (9-8 career record) holds a FIP of 3.80 while going up against 927 hitters in the majors. He has allowed 209 base hits (8.6 hits per nine innings) with 76 walks. His earned run average is 3.86 (94 ER's allowed) and he has a career WHIP of 1.300. Phillips has pitched in 219 innings and has tallied 166 strikeouts in his career.

Washington is sitting with 190 home runs on the year to go along with 678 RBIs. They have tallied 234 two-baggers, while taking a walk 478 times as well as scoring 713 runs. The Washington Nationals have accounted for a team on-base percentage of .325 as well as a team batting average of .248 on the season. The Nationals hold a slugging percentage of .432 and they are earning 5.20 runs per contest (2nd in baseball). They have been called out on strikes on 1,138 occasions (14th in the league) and have recorded 1,162 base hits.

The Washington pitching staff have yielded 694 runs this season while holding an ERA of 4.67 (631 earned runs surrendered). They have surrendered 188 homers and they relinquish 5.14 runs per 9 innings (28th in the league). The Nationals have a WHIP of 1.392 in addition to having a FIP of 4.76 as a team for the year. Their strikeout to walk ratio comes in at 7.80 (1,055 strikeouts against 496 bases on balls). They come in at 28th in the league as a pitching staff in total hits allowed with 1,197.

They are currently ranked 28th in baseball holding a save percentage of 50.0%, and they have dispatched 430 relievers to the mound over the course of the season. Their relievers have come in 143 times in high leverage situations and on 140 occasions with runners on base. Sitting with 138 save situations, the Nationals have accrued 67 holds and 33 blown saves. Washington has called on relievers to step onto the hill in 66 save chances and they have come away with 33 saves. Washington bullpen pitchers have an inherited score percentage of 41.9% out of 217 inherited runners.

In their 10,944 innings on the field, the Nationals hold a efficiency on defense of 69.5% (20th in the majors). The Washington Nationals have gotten 115 double plays and have accounted for a fielding rate of .982 (29th in pro baseball). The Nationals have racked up 1,248 assists, 90 errors and have a total of 3,648 putouts for the season.

Dion (0-0 record in his career) is the owner of a 4.69 ERA while allowing 11.3 hits per 9 innings. His K/BB ratio is 8.33 and he has faced 85 hitters during his career. He has allowed 10 earned runs while holding a WHIP of 1.406 and being the owner of a FIP of 4.6. In his career, Dion has given up 24 hits while he has totaled 25 punch outs in 19 innings.

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

Parlay's Pundit's Pick: Take Washington (+120) and under 8.5 runs

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.