The Boston Celtics made a trade offer to the San Antonio Spurs for Kawhi Leonard before the February trade deadline but it was rejected. The Spurs never made a counterproposal to the Celtics. San Antonio wasn't willing to even discuss trades for Leonard in February and they remain resistant to trades so far this spring. read more http://www.espn.com/nba/story/_/id/...nard-san-antonio-spurs-nba-free-agency-trades