Titans' offense show promising signs in coordinator's debut

Tennessee Titans' Marcus Mariota throws a pass during the first half of the team's preseason NFL football game against the Philadelphia Eagles, Thursday, Aug. 8, 2019, in Philadelphia. (AP Photo/Matt Rourke)

Tennessee Titans' Kalif Raymond, front right, is knocked out of bounds by Philadelphia Eagles' Jeremiah McKinnon during the first half of a preseason NFL football game Thursday, Aug. 8, 2019, in Philadelphia. (AP Photo/Matt Rourke)

Tennessee Titans' Anthony Firkser, right, and Kalif Raymond celebrate after Firkser's touchdown catch during the first half of the team's preseason NFL football game against the Philadelphia Eagles, Thursday, Aug. 8, 2019, in Philadelphia. (AP Photo/Michael Perez)

Tennessee Titans' Ryan Tannehill releases a pass during the first half of the team's preseason NFL football game against the Philadelphia Eagles, Thursday, Aug. 8, 2019, in Philadelphia. (AP Photo/Matt Rourke)

Tennessee Titans' Ryan Tannehill looks to pass during the first half of the team's preseason NFL football game against the Philadelphia Eagles, Thursday, Aug. 8, 2019, in Philadelphia. (AP Photo/Matt Rourke)