But fans roared in delight when he stepped onto the field , and the outfielder tapped his heart a few times in appreciation .
Canseco , whose knack for controversy goes back to his playing days , worried about how the Oakland crowd would receive him .
Fans roared in delight when Canseco stepped onto the field , and the outfielder tapped Canseco 's heart a few times in appreciation .
Canseco , whose knack for controversy goes back to his playing days , worried about how the Oakland crowd would receive him .