I think flexibility is the single biggest injury prevention, and performance enhancing tool there is, I don't think anyone who has played sports at a high level would disagree. Being flexible has saved me from countless injuries, think about it if you can't do the splits and you get put into a position violently where you are doing the splits, something is gonna tear.
On another note being strong through an entire rom is more performance enhancing in almost any sport, than being strong only in specific joint angles...
On another note being strong through an entire rom is more performance enhancing in almost any sport, than being strong only in specific joint angles...