Arizona Diamondbacks take on Pittsburgh Pirates in July 27 MLB showdown

The Arizona Diamondbacks visited the Pittsburgh Pirates at PNC Park on Monday, July 27, 2026. Diamondbacks starter Merrill Kelly (8‑8, 5.12 ERA) faced Pirates right‑hander Mitch Keller (6‑7, 4.90 ERA). Pittsburgh, one game out of a National League wild‑card spot, aimed to improve its standing as the trade deadline approached. General manager Ben Cherington said the club has the resources to compete for a playoff berth. Betting markets favored the Pirates, with a moneyline of –117 and a run line of –1.5, while the over/under was set at 8.5 runs. The matchup was highlighted in a sports‑betting preview that projected a 51% chance of a Pirates win.