Caldwell has credited Hostler on countless occasions for his help in preparing game plans after the former took over for Cameron late in the 2012 season .
The wide receivers coach relayed Caldwell 's calls from the upstairs booth to Joe Flacco 's helmet on game days .
Caldwell has credited Hostler on countless occasions for his help in preparing game plans after the former took over for Cameron late in the 2012 season , and the wide receivers coach relayed Caldwell 's calls from the upstairs booth to Joe Flacco 's helmet on game days .