Williams, a former USC standout the Titans selected in the third round of the 2010 draft, has started 17 of the 54 NFL games he's played the past four seasons. His best season was in 2011 when the 25-year-old caught 45 passes for 592 yards and scored five touchdowns.
Williams caught 15 passes for 178 yards last season. He also handled a few kickoff and punt returns for the Titans, and the Dolphins are searching for a receiver who can challenge tailback Marcus Thigpen for the team's return specialist role.
Williams returned five kickoffs for 123 yards, and handled four punts for 12 yards. However, he fumbled two of those four punts, losing one. At USC Williams averaged 14.7 yards on his 24 punt returns, and scored two touchdowns his junior season.
The Dolphins have depth at receiver before striking a deal with Williams, but three of the team's top five receivers - Brian Hartline, Brandon Gibson and Armon Binns - suffered season-ending knee injuries. The team is apparently concerned about Gibson and Binns' availability for the start of training camp. Binns tore his ACL during training camp in late July, and Gibson tore his in late October.
Knee injuries like what Gibson and Binns suffered usually take 9-to-12 months to rehabilitate.
Last week the Dolphins signed receivers Kevin Cone and Michael Rios to the training camp roster, which presently features nine receivers.