The second week of practice has concluded for the Dallas Cowboys as they are now preparing to take on the LA Rams in their joint practice on Tuesday. It was a physical week of practice as the pads have come on and we saw several players rise to the occasion. So, without further ado, here are the biggest winners and losers from the second week of camp for the Dallas Cowboys:Biggest winners and losers from Week 2 of Cowboy training campWinner: Caleb Downs, DBThe Cowboys have put Caleb Downs in a nearly impossible position to open camp. Shelton is a highly athletic tackle who the Cowboys believe can win the swing tackle job down the line. After a somewhat slow start, Gary has been the best EDGE rusher for the Cowboys during the second week of practice.