Washington Nationals vs Tampa Bay Rays Picks and Prediction for Sunday June 21 2026

By: Kim Smith Published 06/21/2026, 12:20 AM ET
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The Washington Nationals and Tampa Bay Rays continue their series on Sunday, June 21, 2026, at Tropicana Field in St. Petersburg, Florida. First pitch is scheduled for 1:40 PM ET with coverage available on MLB.TV. Washington enters the contest with a 39-37 record, while Tampa Bay comes in at 42-30. ESPN Analytics projects a very competitive matchup, giving the Rays a 51.2% chance to win and the Nationals a 48.8% chance. At the time of this writing the odds were not released. Be sure to check out our free MLB picks at free MLB Picks.

Starting Pitchers on the Mound

Washington is expected to start Andrew Alvarez on Sunday afternoon. The left-hander has posted a 1-0 record with a 3.49 ERA and a 1.45 WHIP over 28.1 innings. He has allowed 29 hits while striking out 31 batters and walking 12. Tampa Bay is scheduled to counter with Nick Martinez, who enters the game with a 6-2 record, a 2.60 ERA, and a 1.16 WHIP across 83.0 innings. Martinez has surrendered 82 hits while recording 50 strikeouts and issuing 14 walks.

Washington Looks to Stay Competitive on the Road

The Nationals have put together a solid 39-37 record this season and have been especially effective away from home, compiling a 23-15 road mark. Washington has won three of its last five games despite dropping its most recent contest. The Nationals recently lost 5-2 to Tampa Bay after previously earning victories over Kansas City by scores of 6-4 and 7-3. Washington also picked up an impressive 10-1 win over Seattle during this stretch.

Offensively, the Nationals have produced strong numbers throughout the season. Washington owns a .247 team batting average with 409 runs scored, 641 hits, and 98 home runs. The club has posted a .321 on-base percentage and a .421 slugging percentage. On the mound, the Nationals have recorded a 4.66 ERA and a 1.39 WHIP while allowing opponents to hit .256. The pitching staff has accumulated 578 strikeouts and 271 walks.

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The biggest strength for Washington has been its offensive production. The Nationals have scored 409 runs and hit 98 home runs, both of which are significantly higher than Tampa Bay's totals entering this matchup. That ability to generate runs has helped Washington maintain a winning road record throughout the season.

Tampa Bay Aims to Extend Home Success

The Rays enter Sunday's game with a 42-30 overall record and one of the strongest home records in the league at 25-9. Tampa Bay has gone 2-3 over its last five games, but the club enters this matchup coming off a 5-2 victory over Washington. The Rays also earned an 8-3 win over the Angels during this stretch, though they dropped three consecutive close games against the Dodgers.

Tampa Bay has posted a .256 team batting average while scoring 320 runs and collecting 616 hits. The Rays have hit 60 home runs and own a .333 on-base percentage with a .381 slugging percentage. The pitching staff has been a major factor in the team's success, recording a 3.92 ERA and a 1.24 WHIP while limiting opponents to a .238 batting average. Tampa Bay pitchers have also totaled 570 strikeouts against just 216 walks.

The Rays' greatest advantage is their run prevention. Tampa Bay holds the lower ERA, lower WHIP, lower opponent batting average, and fewer walks allowed than Washington. Those pitching numbers have been a key reason why the Rays have been so successful at Tropicana Field this season.

Washington Nationals vs Tampa Bay Rays Picks and Prediction

Washington Nationals vs Tampa Bay Rays Pick

  • Pick: Rays Moneyline

This matchup appears close on paper, but Tampa Bay's dominant 25-9 home record and advantage in team pitching statistics provide the edge. The Rays also have the stronger starting pitcher based on the numbers provided. While Washington has been productive offensively, Tampa Bay's ability to limit opponents has been a consistent strength throughout the season.

Washington Nationals vs Tampa Bay Rays Total Pick

  • Pick: Under 8

I like the under in this game. Tampa Bay's pitching staff owns a 3.92 ERA and 1.24 WHIP, while Nick Martinez has been one of the most effective starters in this matchup with a 2.60 ERA. The Rays also held Washington to just two runs in the most recent meeting, which supports a lower-scoring outlook.

Final Score Prediction: Rays 4 – Nationals 3

This prediction was written before the completion of game play on Saturday.

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