The Facts: Following up on a previous item. ... Johnson, who'd earlier told The Tennessean he played the majority of the season despite a torn meniscus in his knee, underwent surgery Tuesday. Johnson took to Twitter to say the surgery was successful. "Hello world surgery went prefect now lets get on the grind," he tweeted.

Diehards Line: Johnson told The Tennessean he suffered the injury in Week 3. Johnson rushed for 90 yards in Tennessee's 20-17 Week 3 victory over the San Diego Chargers. The three-time Pro Bowler is expected to need at least a month to recover from the operation, according to multiple media reports. Despite the injury, Johnson rushed for 1,077 yards and six touchdowns this season. The 28-year-old Johnson told The Tennessean earlier this month that he believes he has been underused in the Titans' offense and acknowledged he would be open to a trade. ... We'll be watching to see what his future might hold in coming weeks.