Washington Nationals vs Arizona Diamondbacks Preview
Today's Starting Matchup
Today's starting pitching matchup features Washington Nationals's Foster Griffin (6-2, 3.76 ERA) against Arizona Diamondbacks's Merrill Kelly (5-3, 5.06 ERA).
Washington Nationals's Foster Griffin posts an league-average 3.76 ERA this season, while Merrill Kelly has been shaky at 5.06. There is a clear gap in starting pitching quality.
Advanced metrics: Foster Griffin — FIP 4.89, K% 23.2%, 67.0 IP / Merrill Kelly — FIP 5.59, K% 14.1%, 53.3 IP
Team Season Comparison
2026 season record: Washington Nationals 31-32 (.492), Arizona Diamondbacks 33-29 (.532).
Recent form: Washington Nationals on a 3-game losing streak, Arizona Diamondbacks on a 1-game win streak.
Based on starting pitching, Washington Nationals holds the edge.
Bullpen Analysis
Washington Nationals bullpen: 13 relievers on the active roster. Key arms: Andrew Alvarez 3.54 ERA, 22K in 20.1IP, Brad Lord (Setup) 2.58 ERA, 33K in 38.1IP, Cade Cavalli 3.62 ERA, 74K in 64.2IP.
Arizona Diamondbacks bullpen: 13 relievers on the active roster. Key arms: Brandyn Garcia (Setup) 0.69 ERA, 11K in 13.0IP, Eduardo Rodriguez 2.24 ERA, 52K in 72.1IP, Jonathan Loáisiga 3.13 ERA, 15K in 23.0IP.