Tennessee Titans quarterback Blaine Gabbert (7) stretches during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Blaine Gabbert (7) and Marcus Mariota (8) run a drill during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Marcus Mariota (8) and Blaine Gabbert (7) run a drill during an organized team activity at the Titans' NFL football training facility Wednesday, May 30, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert (7) stretches during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Marcus Mariota (8) and Blaine Gabbert (7) get set to run a drill during an organized team activity at the Titans' NFL football training facility Tuesday, May 22, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert runs a drill during an organized team activity at the Titans' NFL football training facility Wednesday, May 30, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert runs a drill during the team's voluntary practice at its NFL football training facility Thursday, April 26, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert runs a drill during the team's voluntary practice at its NFL football training facility Thursday, April 26, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Blaine Gabbert (7) and Marcus Mariota (8) run a drill during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert (7) runs a drill during an organized team activity at the Titans' NFL football training facility Wednesday, May 30, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Blaine Gabbert (7) and Marcus Mariota (8) run a drill during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans offensive coordinator Matt LaFleur, center, walks with quarterbacks Marcus Mariota (8) and Blaine Gabbert (7) during an organized team activity at the Titans' NFL football training facility Tuesday, May 22, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert (7) throws as quarterback Luke Falk (11) waits his turn to run a drill during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Marcus Mariota (8) and Blaine Gabbert (7) take a snap during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. Titans offensive coordinator Matt LaFleur wants to make sure Mariota is as comfortable with Tennessee's new offense as possible, planning to call plays that fit his quarterback best. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert runs a drill during an organized team activity at the Titans' NFL football training facility Wednesday, May 30, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Luke Falk, center, runs a drill with quarterbacks Blaine Gabbert, left, and Marcus Mariota, right, during an organized team activity at the Titans' NFL football training facility Wednesday, May 30, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterback Blaine Gabbert runs a drill during the team's voluntary practice at its NFL football training facility Thursday, April 26, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Tennessee Titans quarterbacks Blaine Gabbert (7), Marcus Mariota (8) and Tyler Ferguson (5) run a drill during the team's voluntary practice at its NFL football training facility Thursday, April 26, 2018, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Titans OTA on May 30, 2018. Photos by Donn Jones Photography

Tennessee Titans quarterbacks Marcus Mariota (8) and Blaine Gabbert (7) take a snap during an organized team activity at the Titans' NFL football training facility Tuesday, June 5, 2018, in Nashville, Tenn. Titans offensive coordinator Matt LaFleur wants to make sure Mariota is as comfortable with Tennessee's new offense as possible, planning to call plays that fit his quarterback best. (AP Photo/Mark Humphrey)