How Lou Williams' new deal changes the NBA trade deadline

Richard Mackson-USA TODAY Sports

What does Lou Williams' extension mean for the trade deadline?

The LA Clippers guard, whose name had been floated in trade discussions, agreed to add three years to his contract the day before the deadline. That obviously takes Williams off the trade market -- he can't be dealt for six months after signing an extension -- and has implications for both the teams chasing him and other sellers.

So why would Williams make a deal now, and what impact will it have? Let's break it down.