Oakland Athletics vs Arizona Diamondbacks Preview
Today's Starting Matchup
Today's starting pitching matchup features Oakland Athletics's Jeffrey Springs (3-9, 6.08 ERA) against Arizona Diamondbacks's Mitch Bratt (0-0, 6.00 ERA).
Both starters carry similar ERAs, setting the stage for a potential pitchers' duel. WHIP: Jeffrey Springs 1.42, Mitch Bratt 1.67.
Advanced metrics: Jeffrey Springs — FIP 6.04, K% 19.5%, 97.7 IP / Mitch Bratt — FIP 6.77, K% 10.7%, 6.0 IP
Team Season Comparison
2026 season record: Oakland Athletics 42-57 (.424), Arizona Diamondbacks 51-48 (.515).
Arizona Diamondbacks holds the edge in the season standings, though Oakland Athletics can't be counted out based on head-to-head matchups.
Run differential: Oakland Athletics -114, Arizona Diamondbacks -11. Both clubs are evenly matched in run production.
Recent form: Oakland Athletics on a 1-game losing streak, Arizona Diamondbacks on a 2-game win streak.
Based on starting pitching, Arizona Diamondbacks holds the edge.
Bullpen Analysis
Oakland Athletics bullpen: 13 relievers on the active roster. Key arms: Brady Basso 7.36 ERA, 7K in 7.1IP, Elvis Alvarado 5.79 ERA, 35K in 28.0IP, Gage Jump 3.78 ERA, 56K in 52.1IP.
Arizona Diamondbacks bullpen: 13 relievers on the active roster. Key arms: Brandon Pfaadt 4.58 ERA, 44K in 59.0IP, Brandyn Garcia (Setup) 1.82 ERA, 28K in 24.2IP, Drey Jameson 4.67 ERA, 13K in 17.1IP.
Win Probability
Projected win probability: Oakland Athletics 47% vs Arizona Diamondbacks 53%
Factors: Arizona Diamondbacks's starter owns the lower ERA, Arizona Diamondbacks's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Jeffrey Springs averages 5.1 IP per start vs. Mitch Bratt at 3.0 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.
Jeffrey Springs has allowed 26 HR this season — a concern against a lineup with extra-base power.