Have you started addressing your hamstrings?
Have you looked up/down stream of your hamstring for other impacting factors?
I would recommend hitting them morning and night for 10-15 minutes for a week and see where you are at.
Some to start with:
Episode 58: Weird Hamstring Problems and Simple Neurodynmaics
Episode 272: TJ Murphy Edition and Hamstring Stiffness
Episode 137: Best Hip Extensor (High Hammy) Mob and Better Jerk Shoulders
Episode 104: Hammer Your High Hammy
Episode 354: Make Your Own Super Floss/High Hamstring & Hip Gnar Gnar
Pro Episode # 36 – Voodoo Floss Series # 3: The High Hamstring
High Hamstring Gnar, Trigger Points, and Up Stream/Down Stream
Super Sumo Groin Mob
Athlete’s ROM: Full Posterior Chain- Are You Dysnormal?
Episode 278: Tissue Flossing For Better Sliding Surfaces