Bristol slipped to a fourth successive Aviva Premiership defeat as dominant Exeter underlined the huge task facing Andy Robinsons team to secure top-flight survival this season.Try doubles from wing Olly Woodburn and No. 8 Thomas Waldrom -- plus a late Sam Hill touchdown -- meant the Chiefs were always in charge at Ashton Gate, with a second bonus point win in seven days seeing them climb to fourth place.Fly-half Gareth Steenson added five conversions and two penalties for a 41-17 triumph, and although Bristol showed glimpses of quality -- underlined when full-back Jordan Williams, hooker Ross McMillan and substitute Max Crumpton crossed for tries -- they have shipped 164 Premiership points so far in September.And life is not about to get any easier, with league champions Saracens due in the west country next Friday, although rugby director Robinson is realistic enough to know that beating clubs around them in the Premierships bottom third represent Bristols best hope of making progress.Exeter, bottom of the table behind Bristol this time last week, had far too much firepower in terms of ball-carrying threats, while skipper Steenson proved a master of playing the territory game at key moments.Robinson made six changes -- all in the pack -- following last Sundays 70-22 drubbing by Wasps, with prop Kyle Traynor, lock Mark Sorenson and flanker Jon Fisher among those called up to start, while Exeters four switches included a chance for Sam Hill in midfield alongside Henry Slade.And the visitors were immediately into their stride as Bristol endured a miserable start, with wing Tom Varndell going off for a head injury assessment and then slick Chiefs passing allowing Woodburn a clear run to the line, with Steensons conversion making it 7-0 after just four minutes.Bristol responded in determined fashion, though, putting together a number of attacking phases as they looked to make a temporary one-man advantage count after Exeter wing Ian Whitten was sin-binned following an aerial challenge on his opposite number Ryan Edwards.Referee Tom Foley made repeated big screen viewings as he consulted with the television match official Sean Davey, but a yellow card -- rather than red -- was probably the right call.But Exeter were not knocked out of their stride, and a smart break by Hill ended with him delivering a scoring pass for Woodburns second try, again converted by Steenson, as they moved 14 points clear.Bristol had to hit back immediately, and they did so in style when Edwards showed a blistering turn of pace to leave Exeters defence floundering before support runner Williams crossed to claim an outstanding try.But any hope of a concerted Bristol fightback before half-time disappeared as Steenson kicked a penalty before he added the extras to a trademark close-range Waldrom touchdown as Exeter trooped off 24-5 in front.And it took the Chiefs barely two minutes of the second period to claim a bonus-point try after their forwards rumbled relentlessly towards Bristols line and Waldrom applied the finishing touch.Steensons conversion moved Exeter past 30 points, before his second penalty increased the lead, but Bristol continued battling away, and Crumpton added a third try 10 minutes from time that Williams converted from the touchline.As against Northampton 12 days ago, Bristols strong second-half performance offered their supporters hope for the considerable challenges ahead, but one point from a possible 20 so far tells its own story. 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"Its about time," St-Pierre told reporters at a promotional event in Montreal on Friday. "I think its a good thing. This early in the NBA season, its hard for teams to get familiar with each other. The Minnesota Timberwolves and Memphis Grizzlies are the exception.The two teams play in Memphis for the second time this season on Saturday night. It will be third regular-season meeting after Minnesota and Memphis also met in the preseason. The two teams have split the first two regular-season games, each winning on its home court.The Grizzlies (7-5) will be happy to head home after finishing a four-game road trip in Dallas on Friday night. Memphis finished the road trip with three straight wins after beating the Mavericks 80-64.I was happy to see our defense, Grizzlies coach David Fizdale said. I always tell the guys our defense will travel. Your offense dont always get on the plane with you. But our defense was really stingy tonight.Parsons return to Dallas was one of Fridays storylines. The familiarity between teams played a part in the first half, in which neither team scored more than 19 points in the first two quarters.We stopped being friendly, Fizdale said. If you watched the first quarter, everybody was having conversations with the other team like they were all pals. And we dont have the luxury to be buddies.I think we took it light, like thinking they didnt have their players, but this (Mavericks) is an NBA team with NBA players. We didnt show them respect by playing like that. So I got after them pretty good and they came out in the second half and got after it.Familiarity with Minnesota could breed contempt.The Timberwolves (4-7) opened the season at Memphis and led by as many as 17 early before losing 102-98 as the Grizzlies charged back. Minnesota won the second game handily 116-80 at home as Memphis rested point guard Mike Conley and center Marc Gasol.Fizdale didnt play any of his starters more than 32 minutes on Fridaay with the back-to-back scheduled against the Timberwolves.ddddddddddddMemphis also got guard Tony Allen back after he missed four games with a strained right groin. Allen scored 11 points off the bench in Fridays win.Well have to wait and see how I feel tomorrow, Allen said. I thought I did a good job of icing and stretching. Ill get some rest tonight and see how I feel tomorrow.Minnesota has won three of its past five games, including Thursdays 110-86 dismantling of Philadelphia in which three players posted double-doubles. Andrew Wiggins scored 35 points and tied a career high with 10 rebounds. Karl-Anthony Towns had 25 points and 10 rebounds, and Gorgui Dieng added 12 points and 10 rebounds.I think we character this game as a point in the road that we have to look back and we have to understand and grow from this, Towns said. We held them to, I think, 33 points in the first half. Thats very good for us to do. Weve got to do a better job from here on out, especially in the third quarter.The Timberwolves started Friday as the sixth-highest scoring team in the league. They were also the highest-scoring team in the first quarter. But theyve been the worst in the third quarter, blowing several leads along the way.Wiggins has been the biggest factor in Minnesotas offensive surge. He has scored more than 30 points in three of his past six games. During that stretch, Wiggins has scored 33 points, grabbed 5.3 rebounds and passed out 3.5 assists per game. He shot 50.7 percent from the field while taking 22.67 shots per game.There were times last year where I just drifted to the corner and stayed there, Wiggins said. I think Im just being more active. My awareness is higher. Im just doing more. ' ' '