However , Wolters is still at Double - A and has been inconsistent offensively throughout his career .
The first is 22 - year - old prospect Tony Wolters , who is the only catcher on the team 's 40 - man roster .
Catcher is still at Double - A and has been inconsistent offensively throughout Tony Wolters ' career .
The first is 22 - year - old prospect Tony Wolters , who is the only catcher on the team 's 40 - man roster .