Simmons, Jones confident Titans can thrive without Casey

FILE - In this Oct.27, 2019, file photo, Tennessee Titans defensive tackle Jeffery Simmons (98) plays during an NFL football game against the Tampa Bay Buccaneers in Nashville, Tenn. Simmons, DaQuan Jones and Harold Landry are ready for the challenge of filling the hole left by Tennessee trading five-time Pro Bowl defensive lineman Jurrell Casey to Denver in March. (AP Photo/Michael Zito, File)

FILE - In this Dec. 29, 2019, file photo, Tennessee Titans linebacker Harold Landry (58) rushes against the Houston Texans during the first half of an NFL football game in Houston. Jeffery Simmons, DaQuan Jones and Harold Landry are ready for the challenge of filling the hole left by Tennessee trading five-time Pro Bowl defensive lineman Jurrell Casey to Denver in March.(AP Photo/Eric Christian Smith, File)

FILE - In this Nov. 26, 2017, file photo, Tennessee Titans defensive end DaQuan Jones (90) celebrates after a sack against the Indianapolis Colts during an NFL football game in Indianapolis. Jeffery Simmons, DaQuan Jones and Harold Landry are ready for the challenge of filling the hole left by Tennessee trading five-time Pro Bowl defensive lineman Jurrell Casey to Denver in March. (AP Photo/Jeff Haynes, File)