Mark Texieira ‘not surprised’ by Robinson Cano’s PED ban

Count former Yankees teammate Mark Teixeira as one not buying Robinson Cano’s performance-enhancing drug defense. Teixeira said Thursday he was “not surprised” Cano tested positive for a banned substance this season, which earned him an 80-game suspension from MLB on Tuesday. The retired Yankees star pointed to Cano’s close friendship with Alex Rodriguez and Melky…