Prediction markets put the probability at 92%: Washington Nationals vs. Arizona Diamondbacks. Currently, markets see this as likely (92% YES). Washington Nationals @ Arizona Diamondbacks.
The Washington Nationals vs. Arizona Diamondbacks series opened at Chase Field on June 5, 2026, with Washington delivering a 14-1 rout to take a 1-0 lead in the three-game set. Luis García Jr. powered the offensive outburst, hitting his first career grand slam and a second home run on the night, while James Wood drew a leadoff walk that triggered an immediate first-inning assault on Diamondbacks starter Merrill Kelly, who fell to 5-4. The win pushed the Nationals back to .500 at 32-32, third in the NL East, while Arizona dropped to 33-30, second in the NL West. [ESPN, Jun 6]
Game 2 of the Washington Nationals vs. Arizona Diamondbacks series is scheduled for June 6, 2026, with Washington sending right-hander Foster Griffin (6-2, 3.76 ERA) to the mound against Arizona's Merrill Kelly (5-3, 5.06 ERA) in his next listed start. Arizona enters with the eighth-ranked team batting average in the National League at .242 and a strong home record of 20-13, while Washington has posted a 20-12 mark on the road. The Diamondbacks are coming off a seven-game losing streak capped by a 7-0 loss to the Dodgers on June 3. [FOX Sports, Jun 5]
Both clubs are managing notable injury absences heading into the matchup. Washington's rotation is missing Jake Irvin (15-Day IL, return projected June 19), Josiah Gray (60-Day IL, June 25), and Trevor Williams (60-Day IL, July 1), while reliever Jarlin Susana remains shelved through July 1 and Tyler Baum landed on the 60-Day IL on June 5. Arizona is without outfielder Jordan Lawlar and reliever A.J. Puk, both on the 60-Day IL through June 15. The series concludes on June 7, with the third game determining whether Washington secures a sweep or Arizona salvages the set on home turf. [ESPN, Jun 6]
Polymarket prices this at 92c YES with $591K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.
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