EXCLUSIVE CONTENT Get ESPN+ Trade grades: How did Lakers do in Magic Johnson's first deal?How will Lou Williams fit in Houston? Kirby Lee/USA TODAY SportsKevin Pelton, ESPN Senior WriterFeb 21, 2017, 09:15 PM ETClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on XEmailThe dealLakers get: Forward Corey Brewer, Houston's 2017 first-round pickRockets get: Guard Lou Williams