Why QBs need to throw at combine 

February, 13, 2013
2/13/13
9:11
AM ET
Last year, we didn't see Andrew Luck or Robert Griffin III throw at the NFL combine, because they had nothing to prove -- both were locked in as the top couple of picks. Fast forward to this season's underwhelming class of quarterback prospects, who have much to prove, and it appears that we will see some of them sling the pill.