The Houston Astros looked like they were on the cusp of getting one of their most important pieces back, but an update late on Wednesday revealed that this is l

It also marks yet another troubling trend for the Astros' medical staff, which originally misdiagnosed Alvarez's injury as a muscle strain. The team experienced the same mistake last season, when star outfielder Kyle Tucker missed significant time after the team initially misdiagnosed his shin injury.

Yordan Alvarez suffered an injury setback in rehab, forcing the Astros to pause his return. GM Dana Brown says surgery remains a possibility.