On Thursday, the team also reached deals with safety Kevin Winston Jr. (3rd round), receiver Elic Ayomanor (4th round), guard Jackson Slater (4th round), cornerback Marcus Harris (6th round) and running back Kalel Mullings (6th round).
In addition to the nine draft picks and 16 undrafted players, the Titans have 11 players taking part in this weekend's rookie minicamp on a tryout basis.
Lynch saw action as a reserve in all 17 games in his first season with the Titans, and he posted 20 tackles, a sack, four quarterback pressures, two stops for loss and two passes defensed.