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Alston shot 4-of-9 from downtown Wednesday.
HOUSTON, Jan. 10 (AP)-- Dikembe Mutombo swatted the shot by the kid half his age, then wagged his index finger to the crowd's delight.
Mutombo stuffed another shot by Los Angeles Lakers center Andrew Bynum three minutes later to move past Kareem Abdul-Jabbar and into second place on the all-time blocks list.
The 40-year-old Mutombo had five blocks in all and matched a season high with 19 rebounds in the Houston Rockets' 102-77 win over the Lakers on Wednesday night. He now has 3,191 blocks, two more than Abdul-Jabbar on the all-time list.
"When I came into the league 16 years ago, I told myself that I just want to be remembered for one thing,'' Mutombo said, "just to be one of the great defensive players to ever play this game.''
The Rockets have won seven of nine games since Yao Ming broke a bone in his right leg and much of it is due to the suddenly spry Mutombo, who's had double-digit rebound totals in eight consecutive games.
"It's amazing, just the way I'm playing,'' said the 7-foot-2 Mutombo. "Even to myself, I'm sitting down like, 'Whoa, is Mutombo really playing like that?' I haven't seen myself jumping for a rebound like that for a while.''
Mutombo's three children - ages 9, 5 and 3 - have nagged him lately about when he was going to pass Abdul-Jabbar. He had only one block in each of Houston's last four games.
"Now, they're going to leave me alone,'' he said. "No more asking, 'Daddy! When are you going to block all the shots and break the record?'''
Mutombo is still 639 blocks from all-time leader, former Rocket and fellow African Hakeem Olajuwon. Mutombo hasn't said when he'll retire, but promises he won't stick around long enough to threaten Olajuwon's mark.
"I will leave that to my brother,'' he said. "He can keep that torch for the next generation.''
Houston also snapped a four-game losing streak to the Lakers with little scoring help from Tracy McGrady, who'd topped 30 points in each of his last six games. McGrady had only eight points and appeared to aggravate his troublesome back late in the first half. He also had 12 assists.
Kobe Bryant scored 20 points, but went 6-for-18 from the field, for the Lakers, who were held to a season-low point total. Bryant suffered a minor groin strain in the second quarter and left the game with 3:33 left after playing 34 minutes.
Bryant said after the game the injury was "tight,'' but said he would be ready to play on Friday against Orlando.
"I will let it chill and I should be fine,'' he said.
The Lakers shot 34 percent (26 of 76) and mustered a season-low 31 points in the second half.
Lakers coach Phil Jackson said Mutombo was only part of his team's offensive struggles.
"The Rockets played good defense and Mutombo had some big blocks and we couldn't shoot the ball in the second half,'' Jackson said. "Our passing failed us and we didn't shoot the ball well.''
The Rockets built an early seven-point lead despite McGrady's 2-for-6 start. Bryant scored 10 points in the second quarter during an 11-4 spurt to pull to a 41-41 tie.
McGrady, who missed seven games last month with back spasms, was fouled on a drive by Brian Cook in the final minute of the half and winced in pain as he walked to the free-throw line. He missed both shots and had only six points at the break, though he also had six assists.
Alston, coming off a 2-for-14 shooting night against Chicago on Monday, sank a 3-pointer, then drove for a layup early in the third quarter as the Rockets rebuilt their seven-point lead.
McGrady badly missed his first three shots of the second half, but Shane Battier swished 3-pointers to keep Houston in front.
After Mutombo's blocks on the 19-year-old Bynum, Alston scored on two drives as the Rockets finished the third quarter with an 8-0 run and led 72-58. In the closing seconds of the quarter, Jackson got ejected by referee Tony Brothers for protesting a no-call.
McGrady went to the bench with 10:14 left, but the Rockets still pulled away. Howard scored twice inside, then hit a 20-footer to boost the lead to 80-60.
Notes: The Lakers lost for only the third time in their last 12 games wth the Rockets in Houston. ... The Rockets improved to 8-0 this season when they score 100 points at home. ... Houston Texans linebacker DeMeco Ryans and Tennessee quarterback and Houston native Vince Young, the NFL's Defensive and Offensive Rookies of the Year, sat at courtside, about 30 seats apart.