Kawhi Leonard strolled to the locker room late in third quarter, just as J.J. Barea was starting a Dallas rally that spoiled the season debut of San Antonio's star forward. The minutes restriction was up for Leonard after he missed the first 27 games with a right quadriceps injury, so there wasn't anything he could do in the fourth quarter about Barea and the last-place Mavericks ending another four-game winning streak for the Spurs. Barea scored 14 of his 16 points in the second half and alley-oop dunk partner Dwight Powell had 12 points and 12 rebounds in the Mavericks' 95-89 win on Tuesday night. read more http://www.espn.com/nba/recap?gameId=400975153