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Shawn Marion pumped in 29 points and 15 rebounds to lead the Suns to a seventh straight win.
PHOENIX, Jan. 9 (AP) -- Even on a so-so night, the Phoenix Suns had enough to wear down the Seattle SuperSonics.
"Not great basketball,'' Suns coach Mike D'Antoni said, "but we did our job and lived for another day.''
The Suns overcame career bests of 29 points and 21 rebounds by Seattle's Nick Collison to hand the Sonics their fifth loss in a row and 12th straight defeat on the road, two shy of the franchise record.
"Statistically, that's three times probably my average,'' Collison said. "It was a good game personally, but you have one guy have a great game like that and we still lose by 15 (actually 11), it doesn't make things feel very well.''
Marion had 19 points and nine rebounds in the second half, when the Suns finally took control of the game.
"We didn't place enough importance on what we were doing in the first half,'' Nash said. "I think it was a wake-up call to be down two at the half, and we picked it up.''
After giving up 60 points in the first half, the Suns held the Sonics to 14 in the third quarter.
"I think we were just talking a lot better on defense,'' Marion said. "We were limiting them to one shot, then getting out and playing Suns basketball.''
Seattle coach Bob Hill would love to have that kind of game from Collison more often.
"That's the best game I've ever seen Nick Collison play,'' Hill said. "He seemed to be playing much higher. He did everything, scored the ball, rebounded. If we could start getting that, it would be pretty nice.''
Nash had a simple explanation for Collison's big game.
"I think we just underestimated him,'' Nash said, "and he outhustled us to be honest.''
The Suns, with the longest active winning streak in the league, took the lead for good with a 16-2 run at the end of the third quarter and start of the fourth.
After trailing virtually the entire first half, Phoenix outscored Seattle 12-2 to start the second half to go up 70-62 on Marion's' 3-pointer with 9:21 to play. But the Sonics scored the next 10 to regain the lead 72-70 when Johan Petro dunked 5:29 from the end of the quarter.
The Suns, though, ended the third with a 10-2 spurt to lead 80-74 entering the fourth. Phoenix scored the first six of the final quarter to go up 86-74 on Marion's basket with 10:31 to play.
Seattle cut the lead to 106-98 on Mickael Gelabale's layup with 2:17 to play, but Barbosa sank an 18-footer, then made his third breakaway layup of the quarter to put the Suns up 110-98. Marion's 3-pointer sealed the victory.
Hill said he was "thrilled'' by his team's effort but thought the Sonics grew tired at the end, something that often happens to Phoenix opponents.
"I think the game is fun when you play them, so you kind of get into it,'' Collison said. "It's easier maybe to run up and down. But if we all had odometers on our feet I'm sure we ran up and down a lot more miles this game than any other game, so it does wear you out.''
Collison - whose previous career bests were 21 points and 15 boards - dominated play inside against Amare Stoudemire and nearly had his career high in points by halftime, scoring 17 points and grabbing 10 rebounds as Seattle took a 60-58 lead. Nash kept Phoenix close with 20 first-half points on 8-of-10 shooting, 4-of-5 from 3-point range.
The Sonics jumped ahead 17-6 and led the rest of the half.
After Stoudemire missed two free throws, Collison's reverse layup put Seattle up 60-55 with 26 seconds left in the half. Nash's 3-pointer with 8.2 seconds left cut it to 60-58 at halftime.
Nash finished 11-for-15, 5-for-7 on 3-pointers.
Notes: Seattle has two victories over teams that currently have a winning record - the Lakers and Indiana. ... The Sonics' franchise-record road losing streak of 14 was set over two seasons, ending on Dec. 1, 1976. ... Phoenix is 25-3 since a 1-5 start. ... Collison had eight offensive rebounds. ... The Suns' eight losses are the fewest of any team in the NBA.