Lakers' top defender Marcus Smart agrees to deal with Rockets

Top Lakers defender Marcus Smart has reached an agree with the Houston Rockets. (Robert Gauthier/Los Angeles Times)The Lakers now have lost their best defender, Marcus Smart, to the Houston Rockets in free agency.Smart agreed to a two-year, $13-million deal with the Rockets Wednesday and it included a player option for the second season, people not authorized to speak publicly discuss the deal confirmed to The Times.Smart was recruited last season to the Lakers by Luka Doncic, leading Smart