JUPITER, Fla. • Cardinals manager Mike Matheny, having liked what he saw in a brief exposure earlier this spring, called over to the Cardinals’ minor league side Thursday and said he wanted 19-year-old center fielder Magneuris Sierra to join the team for Friday’s exhibition with the Atlanta.
“I didn’t really check with the guys in the minor league system to see if they felt like he was ready. I just threw him in there to see what happens,” said Matheny.
“Everything, right?” he said after the Cardinals’ 4-3 win.
“The way he ran the bases, the outfield, a good throw, the big hits, the bunt .