Coley Harvey ESPN Staff Writer
Aaron Boone said today it may be optimistic to expect Thairo Estrada ready for the start of the minor league season. The Yankees infield prospect who's recovering from a gunshot wound to the hip after a robbery attempt in Valenzuela last month, is showing signs of progress, though. He's "graduated to the elliptical" after spending the start of spring training riding exercise bikes, Boone said. "There's no chance we're going to push it too much with him. But I'm still hopeful that this isn't something that is going to cost him the bulk of the season by any means," Boone added.