The St. Louis Cardinals and Cardinals catcher Yadier Molina announced today that Molina's M4 fashion collection has signed on to be an official partner of the team. The Cardinals Spanish radio booth will be renamed the M4 Radio Booth as part of the deal. Fans will also notice new M4 signage around Busch Stadium. Additionally, fans can enter to win exciting prizes while shopping for M4 apparel at the Official Cardinals Team Store at Busch Stadium, the exclusive retailer of M4 apparel in St. Louis.