While not a new trend in sports stadiums, Cardinals fans going "Tarps Off" has ignited a craze in MLB.

Just in time for Summer, guys being dudes is back. This time around it has taken the form of a new trend that has taken Major League Baseball by storm:

A trend of fans going shirtless during Cardinals games quickly caught the team's attention.

While some athletes flaunt designer threads, many major leaguers sport something simpler: custom t-shirts adorned with playful graphics and witty catchphrases. It happens on a near-weekly basis these days: Something exciting happens on the field at a ...