OC Westbrook's "improved" defense is really just over-aggressively going for steals. Often times, a better defensive positioning or cutting off drive is better suited than going for steals, as shown in today game vs Rockets.

OKCs strong defensive stand crumbles as DeAaron Fox goes right at the basket in transition

Westbrook lulls Jaylen Brown to sleep for the easy lay in

Celtics lock down defense on Kyrie and Durant leads to Tatum Game 1 buzzer beater

Beautiful two-man fast break leads to a Westbrook throwdown