Jeremy Peña: Everything you need to know

The Astros placed Pena on the 10-day injured list Monday with a Grade 1 right hamstring strain, Chandler Rome of The Athletic reports. The Astros had previously referred to Pena's injury as right posterior knee tightness, but evidently the issue is concentrated more in his hamstring. A Grade 1 strain is the least severe and could allow Pena to return around the time he's first eligible, though the Astros will be careful since hamstring strains are prone to reaggravation. The Astros figure to roll with Carlos Correa at shortstop and Isaac Paredes at third base most days while Pena is out, but it will be Nick Allen handling shortstop Monday in Seattle.

Pena (knee) is not in the lineup for Sunday's game against the Mariners, Chandler Rome of The Athletic reports. The 28-year-old shortstop departed Saturday's 8-7 loss due to right posterior knee tightness. According to Matt Kawahara of the Houston Chronicle, manager Joe Espada said Sunday that he didn't have an update available for Pena, who should be considered day-to-day as he continues to be evaluated. Nick Allen will step in at shortstop Sunday for the Astros.

Pena was pulled from Saturday's contest against Seattle due to right posterior knee tightness, Brian McTaggart of MLB.com reports. Pena got two plate appearances in the contest, going 1-for-3. Following his single in the fourth inning, he advanced to second on a flyout and to third on an Isaac Paredes single. Following the Paredes hit, Pena exited and was replaced by pinch runner Nick Allen, who subsequently took over at shortstop. Pena will presumably be examined to determine the extent of his injury.