Richard Sherman t-shirt taunts Michael Crabtree, Colin Kaepernick

In case you're wondering, Richard Sherman is slightly confident in his abilities. After going off about Colin Kaepernick and Michael Crabtree challenging him at the end of the NFC Championship Game, Sherman sent out this tweet. That shirt....man, I can't wait for the 2014 season. The 49ers don't need some t-shirt to get up for the Seahawks, but if you were looking for bulletin board material, well, here you go.

Here's a TIP: Don’t Test the BEST! http://t.co/o7hNJgjes7 pic.twitter.com/3pEFGnR0zE

— Richard Sherman (@RSherman_25) March 13, 2014