Miami manager Clayton McCullough described the problem plainly after the Toronto start: "Tough time getting the ball down. There were just some pitches left elevated, kind of more middle. Sometimes when he had count leverage, they put some good swings on." That is not a vague explanation of a slump. That is a specific mechanical tell. A sinker specialist who cannot keep the ball down is not a candidate for same-day self-correction against the Washington lineup. The Nationals lead MLB with 324 runs scored and average 5.4 runs per game over 60 games. James Wood has reached base in 15 of his last 16 games with a 1.406 OPS over the last seven days and 16 home runs on the season. Keibert Ruiz is posting a 1.139 OPS over the last 28 days. CJ Abrams carries a 1.022 OPS against right-handed pitching. Nationals manager Blake Butera offered this on Wood: "It just seems like he's on time for everything. He's seeing the ball out of the hand pretty well, and he's laying off some tough pitches, too." That description, against a pitcher with an elevated fastball problem, should concern Miami bettors.

Cavalli's form is the clean story on the home side. His K/9 is running near 10.3 across his 2026 innings. He faced Miami directly on May 10 and held them to 2 earned runs in 5.2 innings before his current form peak. Miami comes in on five straight losses, having been outscored 10-1 in their final game of the New York road trip. They scored 11 runs across five games on that road trip. Their away record sits at 8-19. The Marlins are hitting .242 as a team with a .691 OPS and scoring 4.2 runs per game. That is the lineup profile Cavalli is working against tonight.

One counterweight deserves a clean look before placing bets. Alcantara carries a 3.55 ERA and an 8-6 record across 17 career starts against Washington. Luis García Jr. is hitting .167 with a 0.452 OPS in 25 career plate appearances against him. Abrams is at .188 with a 0.548 OPS in 17 career plate appearances. And Washington checks in at 18-23 against right-handed pitching this season, meaning their offensive dominance has been built heavily against left-handers. None of this erases 14 earned runs across two starts with a manager-confirmed mechanical breakdown, but it explains why the run line sits at +148 rather than much shorter, and why the contrarian Miami moneyline case exists at +122 for those who believe in career-mean regression.

• Alcantara's sinker command has broken down, per his own manager. Elevated fastball placement against Wood (1.406 OPS L7d), Ruiz (1.139 OPS L28d), and Abrams (1.022 vR OPS) is the game's central vulnerability. Five home runs in his last two starts, compared to four in his first ten starts combined.
• Cavalli has averaged 8.0 strikeouts across his last three starts with a 2026 K/9 near 10.3. Miami is hitting .242 as a team and scoring 4.2 runs per game on the road. Four consecutive quality starts and six days of rest heading into tonight.
• James Wood's career matchup against Alcantara spans only 6 plate appearances, but the 2026 split shows a 1.000 OPS in 3 PA. Combined with his season line of .272/.411/.548 and his current hot streak, he is the single most dangerous bat against an elevated-pitch problem.
• Miami is 8-19 away from home and has lost five straight. Their last five road games produced 11 total runs. Momentum, morale, and offensive production all point the same direction.
• Washington is 18-23 against right-handed pitching this season, below .500. Their run-scoring dominance has come primarily against left-handers (13-6 vs LHP). This softens the margin expectation and makes the -1.5 run line at +148 a better value entry than pressing into shorter spreads.
• Liam Hicks represents Miami's best legitimate threat against Cavalli. He carries a .400 average and a 0.971 OPS in 7 career plate appearances against the Washington starter, with a 1.167 OPS in their 2026 matchup specifically. If Miami scores, he is the most likely catalyst.

The contrarian case is real and worth naming directly. Alcantara has a 3.55 career ERA in 17 starts against Washington. García Jr., Abrams, and Young have all historically struggled against him in career plate appearances. Washington is 18-23 against right-handed pitching this season. Two of those three facts are historical and predate this mechanical breakdown. The third, the RHP record, is worth taking seriously, and it is precisely why the run line sits at +148 instead of shorter. A career-mean regression start is possible. A career-mean regression start is also not what the data from the last two outings, with a manager-confirmed mechanical tell, suggests is coming. Bet accordingly.

Projected final: Washington 5, Miami 3, with Cavalli recording 7-plus strikeouts through five innings. For the full slate, see our MLB picks today, NRFI picks, and player props.