If you anterior hip is tight figure out what is causing the tightness and go to work on it.
It may be an area that needs alot of work.
These may help:
Episode 198: Open Up You Hips For Better Squatting
Episode 87: Hip Impingement 2: Band Variation
Super Sumo Groin Mob
Foot Position Test: Breaking Diane
Episode 363: Pre-Squat Hip Opener Mob-Rx