Taylor Lewan should be Titans' next extension, and it'll be expensive

NASHVILLE, Tenn. -- It might soon be time for the Tennessee Titans to lock up their bodyguard, left tackle Taylor Lewan.

The Titans have important pending free agents including defensive lineman DaQuan Jones, linebacker Avery Williamson and guard Josh Kline, but none comes close to Lewan in terms of long-term importance.

A new deal for Marcus Mariota would certainly outweigh Lewan, but it might not make sense for either party to do that one right now after the quarterback's rocky Year 3.

Until then, attention turns to Lewan, who is set to enter the final year of his deal and play on a fifth-year option salary worth $9.34 million if a long-term deal isn't worked out. Lewan should be the Titans'…