Davis knows another round of mixed reviews could hurt his chances to earn the No. 2 job behind Ryan before the Sept. 8 season opener at New Orleans.College analysis: Jackson was a fixture on the LSU defensive line as a threeyear starter. Jackson had an outstanding year against the run and rushing the passer in helping the Tigers win a national championship in 2007. He didn't have a great final season before leaving for the NFL, but that was true for most of the Tigers defense in 2008.

Mathieu has been a sensation in training camp as he looks to make a comeback after being booted from the LSU team for marijuana use and sitting out football altogether last season. In his NFL debut in Arizona's 170 victory at Green Bay last week, Mathieu had a 12yard sack, a tackle for loss, a pass defended, two special teams tackles and a 24yard punt return. Johnson has a mild ankle and knee sprain, injuries that occurred when he broke up a pass late in practice on Monday.Cincinnati resigned