Oklahoma will face one of its biggest tests of the season when the Sooners battle Texas A&M in the AT&T Cotton Bowl at Cowboys Stadium in Dallas on Friday night. The Aggies feature Johnny Manziel, the Heisman Trophy winner, along with Damontre Moore, one of the top prospects for the 2013 NFL draft, and one of the nation's top offensive lines. Beating the Aggies won't be easy but it's not impossible, particularly with Sooners quarterback Landry Jones and their explosive passing offense. SoonerNation reviewed Texas A&M's biggest win of the year, a 29-24 win over BCS title contender Alabama. Here are three things to keep an eye on during the Cotton Bowl.