Framber Valdez threw an 83-pitch complete game in his last start and returns to the mound for the Houston Astros as they end a three-game series in Pittsburgh. Mitch Keller (1-7, 3.73) pitches for Pittsburgh. When: 5:40 p.m. Thursday, PNC Park, Pittsburgh TV: Space City Home Network Radio: 790 AM, 93.3 FM

Get Houston vs Pittsburgh baseball betting preview, spread and over/under insights for their matchup on June 5.

Diamondbacks RHP Ryne Nelson (1-1, 4.60) vs. Pirates LHP Andrew Heaney (3-3, 2.91). At Chase Field: Nelson gave up just one run on three hits in five innings against the Dodgers last week in his first start in place of LHP Eduardo Rodriguez,