Overview
- A.J. Puk underwent left elbow surgery on June 20 and is ruled out for the remainder of the season as doctors determine whether his UCL needs reconstructing.
- Tommy Henry has been diagnosed with a left elbow injury that requires season-ending surgery.
- Catcher Gabriel Moreno suffered a hairline fracture in his right index finger and is expected to be sidelined through at least the All-Star break.
- Christian Montes de Oca had lower back surgery that will keep him out for the season, and right-hander Justin Martinez is scheduled for Tommy John surgery.
- Arizona’s bullpen carries a 5.42 ERA, the third-highest in MLB, prompting the club to call up Triple-A arms to shore up its relief corps.