CHARLOTTE, N.C. (AP) - Al Jefferson scored 29 points, Kemba Walker had 24 points and a career-high 16 assists, and the Charlotte Bobcats beat the Detroit Pistons for the second straight night, 116-98 on Wednesday. The win gives the Bobcats (25-30) a sweep of the season three-game series and a 2 1/2-game lead over the Pistons in the race for the eighth playoff spot in the Eastern Conference. Jefferson, who had 32 points, 12 rebounds and seven assists in Tuesday's win at Detroit, went 12 of 20 from the field and grabbed eight rebounds. He has scored at least 20 points in 16 of the last 18 games. Brandon Jennings had 20 points for Detroit before being ejected from the game with 1:13 left after picking up his second technical foul. Friday the Pistons host the Atlanta Hawks at the Palace with tip off at 7:30 p.m.