Chamberlain dislocated his ankle in March .
To make space on the 40 - man roster , the Yankees transferred right - hander Joba Chamberlain to the 60 - day DL .
right - hander dislocated his ankle in March .
To make space on the 40 - man roster , the Yankees transferred right - hander Joba Chamberlain to the 60 - day DL .