While Thunder head coach Scott Brooks told reporters he has a "long list" of things his team needs to work on and Nick Collison agreed that defense was at the top of the list, Russell Westbrook tried to shoulder most of that burden himself.
"I've gotta step up defensively, that's just what I've gotta do to help us win games," Westbrook said after Thursday's practice.
Read MoreThunder officials aren't commenting on reports the team has reached a tentative deal to bring in forward Caron Butler.
Butler reached an agreement on a contract buyout with Milwaukee yesterday and won't clear waivers until 4 p.m. Saturday. Adrian Wojnarowski of Yahoo! Sports reported the deal with the Thunder earlier today.
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