The more important story is Milwaukee's lineup, or what is missing from it. The Brewers are tied for last in MLB with just 19 home runs. Their last one came from Brice Turang on April 18 against Miami, a 10-day drought with no sign of ending. As one analyst put it: "Jackson Chourio, Christian Yelich, and Andrew Vaughn, who combined for 59 home runs in 2025, are not available." That trio was the spine of Milwaukee's power production. Without them, the Brewers are batting .231 with a .678 OPS. They can still win games through pitching and contact baseball, but scoring in clusters is structurally broken right now. Patrick's ERA gives them a ceiling to work with on the other side.

Arizona brings more lineup depth. Ildemaro Vargas has been elite in 2026, posting a .722 slugging percentage in 82 plate appearances and a 1.409 OPS over the last seven days. Nolan Arenado is a career Brewer killer, carrying a .928 OPS with 24 home runs and 77 RBIs against Milwaukee pitching all-time. In 4 career plate appearances against Patrick specifically, Arenado is hitting .500 with a 1.000 OPS. The caveat worth noting: Arizona is 9-12 against right-handed pitching in 2026, compared to a dominant 6-0 versus lefties. Patrick is right-handed. That platoon disadvantage is real and it compresses Arizona's edge considerably from what the ERA matchup might suggest.

American Family Field plays slightly above average for run scoring, with a 1.02 runs factor and a 1.05 home run factor. The park is not a Coors Field inflator, but it does nudge conditions toward more contact production when lineups are healthy. With Kelly on the mound and Milwaukee stripped of its power core, the shape of this game leans toward a low-run grind where neither team separates cleanly.

• Patrick has 11 strikeouts in 23.0 innings in 2026, a 4.3 K/9 rate. His last three starts: 2, 2, and 0 strikeouts. He will not overpower Arizona's lineup. This game gets decided by contact quality, not strikeout totals.
• Milwaukee is tied for last in MLB in home runs (19) and has not hit one in 10 days. With Chourio, Yelich, and Vaughn unavailable, the Brewers' run-scoring ceiling is structurally capped regardless of what Kelly's ERA suggests is possible.
• Nolan Arenado owns a .928 career OPS with 24 home runs against Milwaukee pitching all-time. He is posting a 1.500 OPS over the last seven days and has hit .500 with a 1.000 OPS in 4 career plate appearances against Patrick. He is the most dangerous bat in this game by a clear margin.
• Arizona is 9-12 against right-handed pitching in 2026. Patrick is right-handed. The Diamondbacks' dominant 6-0 record versus lefties does not apply here, which meaningfully thins any lineup edge Arizona might appear to hold.
• William Contreras owns a 1.227 OPS in 22 career games against Arizona, with 7 home runs and 8 doubles. If Milwaukee generates offense tonight, it most likely runs through the catching position.
• Patrick enters on 13 days of extended rest following his rough April 22 outing against Detroit. Both teams are averaging 4.9 runs per game on the season, but Milwaukee's injury-depleted roster makes that number misleading for tonight's game.

The sharpest entries are the props. Patrick has been the most predictable low-strikeout starter in baseball this year and nothing in tonight's matchup changes that. Eleven strikeouts in 23 innings does the talking on its own. Arenado against Milwaukee pitching is a career track record backed by current form at a peak level. Those two props are the firmest positions on the board. The MIL +1.5 and Under 8.0 add structural reinforcement: Patrick's ERA is legitimate, and Milwaukee's lineup is genuinely compromised without its power core. The caveat worth tracking: if Chourio or Vaughn return sooner than expected, Milwaukee's offensive ceiling rises meaningfully and the Under case weakens. Monitor injury updates before first pitch.

For the full slate, see our MLB picks today, NRFI picks, and player props.