A week before the 2021 NFL Season is to begin, we now know that five-time Pro Bowl Defensive Lineman, Jurrell Casey, will not be among the players. Casey, 31, retired today, after a ten-year career. Playing his college ball at USC, Casey arrived in the NFL to Tennessee as a Third Round Pick in 2011. Casey became an immediate starter at Right Defensive Tackle, and was arguably robbed of a Pro Bowl in 2013, a year he had a career-high 10.5 Sacks. He would finally get that first Pro Bowl in 2015, which would lead to four more in succession. A Titan for…