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Lou Williams will be boomin' out in the Staples Center now.

The Los Angeles Lakers have reached an agreement with the unrestricted free agent, according to multiple reports. The reported contract is worth $21 million over three years, according to Yahoo Sports' Adrian Wojnarowski.

This past season's NBA Sixth Man of the Year hit a career high with 15.5 points per game in his lone season playing for the Toronto Raptors. It wasn't widely expected he'd be back in Toronto given the price Williams would come at, and the Raptors' priorities in other areas.

While a streaky shooter who can score in bunches, Williams isn't the most efficient marksman. He's also an abomination defensively, and it's hard to figure what the Lakers are doing if they plan on adding Williams to a roster that features another volume shooter in Nick Young.

The Lakers hoped Nick Young would be NBA sixth man of the year at some point. It hasn't happened. So they went and got Lou Williams today. — Mike Bresnahan (@Mike_Bresnahan) July 5, 2015

Williams will project to form a backcourt rotation with Kobe Bryant, D'Angelo Russell, and Jordan Clarkson. The Lakers will be Williams' fourth NBA stop - the 28-year-old has averaged 11.9 points on 34.1 percent 3-point shooting in his 10-year career.