Gary Sanchez has concussion tests after taking bat to head

ST. PETERSBURG, Fla. — After getting hit on top of the head by Guillermo Heredia’s back swing in the eighth inning of the Yankees’ 7-2 loss to the Rays on Saturday night at Tropicana Field, Gary Sanchez went through some concussion tests. Though the Yankees’ catcher said he felt OK, the big test would be…