Pittsburgh Pirates vs Washington Nationals

Pittsburgh Pirates at Washington Nationals (2026-07-03). Mitch Keller vs Foster Griffin at Nationals Park.

Keller enters with a 4.87 ERA and 1.30 WHIP across 94.1 innings, with a modest 6.96 K/9 and 3.15 BB/9, so his profile leans more on contact management than bat-missing. His trend ERA is listed down, and his last five starts support that, as he posted a 2.79 ERA over 29 innings in that span, though one of those outings was a four-inning, five-earned-run start against Washington. Griffin has been far sharper on the season, carrying a 2.93 ERA and 1.04 WHIP in 98.1 innings with a stronger 8.97 K/9 and cleaner 2.29 BB/9. Even with an upward ERA trend marker, his recent five-start line was still solid at a 3.38 ERA, and he already faced Pittsburgh once, allowing four earned runs over 5.1 innings while striking out seven.

Offensively, the matchup is fairly tight. Pittsburgh owns a .759 OPS with 452 runs, a .260 average, and a .338 OBP, while Washington sits at a .747 OPS with 470 runs, a .248 average, and a .321 OBP, suggesting the Pirates are slightly more efficient by rate while the Nationals have generated a bit more raw scoring. The bigger split is on the team pitching side, where Pittsburgh holds a 4.24 ERA and 1.30 WHIP compared with Washington’s 4.63 ERA and 1.38 WHIP. Recent form also hints at contrast: the Pirates won six of their last eight listed games, while the Nationals dropped six of their last seven before the final listed result.

The recent head-to-head sample is close, with Pittsburgh taking four of the last seven meetings, but six of those seven games were decided by three runs or fewer, including 4-3, 5-1, 6-5, and 1-0 results. That history points to competitive scoring environments rather than one consistent script. With a total of 9.5, the market is balancing Griffin’s stronger season line against two offenses that have enough power and two bullpens and staff-wide run prevention profiles that do not fully suppress scoring, especially once starters exit.