Titans quarterback Will Levis was sacked seven times in a 27-17 loss to the Chargers, but made progress in other areas, according to Brian Callahan

Jim Harbaugh's LA Chargers were the more physical team Sunday, and that's what frustrates Tennessee Titans coach Brian Callahan.

When Titans quarterback Will Levis spoke to reporters last week, he said he thought he'd "show improvement" in terms of his ability to operate the offense in his return from missing three games with a right shoulder injury.