Arizona Diamondbacks vs Washington Nationals

Arizona Diamondbacks at Washington Nationals (2026-07-24). Eduardo Rodriguez vs Carson Palmquist at Nationals Park.

Starters — Rodriguez has a 2.62 ERA and 1.22 WHIP over 116.2 innings, with 6.33 K/9, 3.16 BB/9, and 0.93 HR/9. His last three starts were 2.2 innings and 5 earned runs with 3 strikeouts and 2 walks, then 6 innings and 2 earned runs with 5 strikeouts and 1 walk, then 6 innings and 2 earned runs with 3 strikeouts and no walks. The recent trend is up, although the most recent outing was clearly his roughest of the three. Palmquist has an 8.74 ERA and 1.68 WHIP over 11.1 innings, with 11.12 K/9, 2.38 BB/9, and 0.79 HR/9. His last three appearances were 1.2 innings and 4 earned runs with 2 strikeouts and 1 walk, then 0.1 innings and 1 earned run with 1 strikeout and no walks, then 3 innings and 1 earned run with 4 strikeouts and no walks. The trend is up, but the sample is very small and the run prevention has been shaky.

Teams — Arizona carries a .709 OPS, 466 runs scored, a .242 average, and a pitching staff with a 4.23 ERA and 1.29 WHIP. The Diamondbacks are 8-2 over their last 10 games, which points to strong recent form. Washington brings a .771 OPS, 567 runs scored, a .253 average, and a team 4.79 ERA with a 1.40 WHIP. The Nationals are 5-5 in their last 10 games. From a betting matchup perspective, Washington has the stronger season-long offensive profile, while Arizona shows the cleaner team pitching indicators and the better recent momentum.