Arizona Diamondbacks vs Pittsburgh Pirates Starting Lineup — Monday, Jul 27, 2026
Expected Batting Order
Official lineups not yet announced for this game. Check back closer to game time.
No lineup data available for Arizona Diamondbacks.
No lineup data available for Pittsburgh Pirates.
Arizona Diamondbacks at Pittsburgh Pirates (2026-07-27). Merrill Kelly vs Mitch Keller at PNC Park.
Starters — Merrill Kelly: 5.12 ERA, 1.48 WHIP, 103.2 IP, 5.64 K/9, 3.56 BB/9, 1.91 HR/9. His last three starts were strong: 5.0 IP/2 ER, 5.0 IP/1 ER, and 7.0 IP/1 ER, with 12 strikeouts and 6 walks across that span. The recent trend is down in ERA, but the season profile still shows elevated traffic and home run risk. Mitch Keller: 4.90 ERA, 1.31 WHIP, 108.1 IP, 6.90 K/9, 3.07 BB/9, 1.08 HR/9. His last three starts were 5.0 IP/0 ER, 3.0 IP/3 ER, and 6.0 IP/5 ER. The trend is also down, and his season indicators are steadier than Kelly’s, especially in WHIP and home run suppression.
Teams — Arizona owns a .709 OPS, 479 runs scored, a 4.27 team ERA, and a 1.30 team WHIP. The Diamondbacks are 6-4 over their last 10 games, and their offensive line is lighter than Pittsburgh’s by both OPS and total runs. Pittsburgh carries a .760 OPS, 553 runs scored, a 4.32 team ERA, and a 1.32 team WHIP. The Pirates are 5-5 in their last 10, with the stronger lineup on paper, while the overall pitching comparison between these clubs is fairly close.