Mesa was diagnosed with a mild right hamstring strain Sunday and is expected to be sidelined 3-to-4 weeks, Christina De Nicola of MLB.com reports.

EDGE Analysis

The 23-year-old reported tightness in the hamstring Saturday and will now be unavailable for at least the next few weeks. Mesa's injury will make it difficult for him to earn a spot on Miami's Opening Day roster, which is especially notable since he's out of minor-league options.