PORT ST. LUCIE — Amed Rosario is blossoming at shortstop and as a hitter. The Mets believe he could become an All-Star this season.
“I could see that,’’ hitting coach Chili Davis told The Post on Thursday at Clover Park.
Rosario was batting .249 through June 21 last season, then it all came together. Rosario hit .319 (107-335) the remainder of the season. His OPS went from .687 in the middle of June to .806 the rest of the way.
What changed? Rosario hit the books.
“I think his preparation has been real nice before games,’’ Davis said. “Looking at pitchers and not only preparing for the starter but taking the whole package, the bullpen and the starter, looking at them and seeing how they pitch and see where they make mistakes.
“Mechanically, he uses the whole field. He’s got great hands. He trusts that if he is trying to hit a line drive, his power will show up. He hit 15 home runs last year. He’s getting better on the bases, too. Trying to make him a complete player. He’s got speed, too.’’
Rosario, 24, was one of three shortstops in the majors to produce at least 15 homers, 15 steals, 70 RBIs and 30 doubles. Francisco Lindor and Trevor Story…