Alex Rodriguez -- While the Yankees Play, A-Rod Will Lay ... in the Sun

While the New York Yankees got ready to play the Orioles -- injured superstar Alex Rodriguez engaged in his version of spring training today ... lounging poolside with gf Torrie Wilson.

A-Rod's recuperating from major hip surgery, but the 37-year-old is keeping busy -- y'know ... checking Facebook, soaking up the sun and enjoying the sight of Torrie's rock hard bikini bod in Miami ...