Lakers defeat the Mavericks in overtime to complete season sweep One of the Lakers' 7-footers probably now has Mike Brown's blessing to take even more three-pointers. Pau Gasol made a pair of three-pointers in overtime, including a controversial basket in which teammate Matt Barnes appeared to touch the rim, to help the Lakers pull out a 112-108 victory over the Dallas Mavericks on Sunday at Staples Center. The Mavericks had a chance to tie or go ahead in the final seconds, but Barnes contested Jason Terry's driving layup that hit the bottom of the rim and the Lakers' Metta World Peace grabbed the rebound. Dallas later fouled Gasol, who made two free throws to secure the victory. PHOTOS: Lakers vs. Mavericks The triumph completed a four-game, regular-season sweep by the Lakers, who were eliminated in four games by the Mavericks in last year's Western Conference semifinals. Center Andrew Bynum, who was famously benched a few weeks ago after taking an ill-advised three-pointer against Golden State, put the Lakers ahead to stay with a turnaround jumper and finished with 23 points and 16 rebounds. Ramon Sessions had 22 points while Gasol finished with 20 points and 10 rebounds for the Lakers, who improved to 4-1 with Kobe Bryant sidelined because of a sore left shin. World Peace contributed 18 points, five rebounds, four assists and stout defense on Dallas' Delonte West, who had only four points in the second half to finish with 20. Nowitzki had 24 points on nine-for-28 shooting for the Mavericks, who also got 21 points from Terry. Lakers 98, Mavericks 98 (end of regulation) Just when it looked like another Lakers point guard was going to send Dallas to defeat at Staples Center, the Mavericks rallied in the final minutes to force overtime. Nearly three months after Derek Fisher's late three-pointer sunk the Mavericks on this court, Ramon Sessions made a three-pointer and a floater to give the Lakers a 97-93 advantage. But Dallas scored five of the final six points in regulation. Sessions had a chance to give the Lakers a lead in the final moment but missed woefully short on a twisting, pull-up jumper from 10 feet, giving the Mavericks a final possesion with 1.8 seconds left. Dirk Nowitzki's turnaround, fadeaway jumper at the final buzzer hit off the side of the rim and bounced harmlessly away, though, sending the game into overtime. Sessions has 22 points while Andrew Bynum has 21 points and 15 rebounds for the Lakers. Nowitzki has 19 points for the Mavericks. Lakers 76, Mavericks 75 (end of third quarter) Metta World Peace is showing he's a man of many talents, though he still leaves much to be desired in the dancing department. The Lakers' small forward is making things difficult for the Dallas Mavericks on both ends of the court, spearheading his team's resurgence while helping to hold Delonte West scoreless in the third quarter. West, who had scored 16 points in the first half, missed both of his shots in the third quarter. World Peace scored eight points after halftime, giving him 16 for the game to lead the Lakers. Point guard Ramon Sessions has 15 points and five assists.