Astros slugger Yordan Alvarez has been diagnosed with a "significant" left ankle sprain and will be out of the lineup "for a while," manager Joe Espada said.

The Arizona Diamondbacks have designated veteran RHP Anthony DeSclafani for assignment and called up RHP Juan Morillo in a corresponding move. Toronto Blue Jays rookie RHP Trey Yesavage struck out nine batters in his MLB debut and set a franchise record in the process.