BROOKLYN—Dwyane Wade returned but the Bulls sustained a potentially costly loss when the Brooklyn Nets beat them 107-106 on Saturday.Spencer Dinwiddie made four free throws in the final 13.6 seconds for the Nets in their home finale. He scored 19 points, as did rookie Caris LeVert.Jimmy Butler scored 33 points for the Bulls, who came in tied for seventh in the Eastern Conference.Wade started and played 25 minutes, scoring 14 points. He had been expected to miss the remainder of the regular season when he sprained his right elbow on March 15.But the Bulls allowed 32 points in the fourth quarter, with Dinwiddie snapping a 103-all with two free throws with 13.6 seconds to play. Butler missed a jumper and Dinwiddie put it away with another pair with 2.4 to play.