 On Tuesday , May 6 , 2014 , former Yankee Mariano Rivera debuted his new book , The Closer . In it , Rivera talks about both second basemen Robinson Cano , Rivera 's former teammate , and the Red Sox captain Dustin Pedroia . Rivera created controversy when he stated Cano lacks hustle and heart despite his unending talent and that he would prefer to pick Pedroia on a team over Cano as a result . 
