Here is a good read on LV (oldest is at the bottom) :

The Titans are still in talks with free agent RG Louis Vasquez.
Vasquez visited Tennessee last week, but left without a deal. The Titans could bring him in as a pass-blocking upgrade over Jeremiah Poutasi and Chance Warmack. Vasquez is coming off a down season in Gary Kubiak's zone scheme, grading as PFF’s No. 50 guard out of 81 qualifiers...

Vasquez was better as a pass protector than a run blocker last season. His run blocking grade for last year was well below average.

Vasquez was entering the final year of his four-year, $23.5 million pact. He started 18-of-19 games last season, but really struggled in coach Gary Kubiak's zone-blocking scheme, especially as a run blocker. Vasquez (6'5/335) is ideally built to be a power blocker. He's still just 29 (in April) and should find a healthy market. Vasquez can play either guard or right tackle in a pinch.

Vasquez is athletic enough to fit new coach Gary Kubiak's zone-running scheme, and has experience in ZBS from his time in San Diego...