North Melbourne and Sydney have been boosted by the returns of key talls ahead of their pivotal AFL clash in Hobart.Important defender Scott Thompson and forward Ben Brown have recovered from adductor and knee issues respectively for North, while star Swans ruck-forward Kurt Tippett will play his first game since round 12 after overcoming a hamstring injury.The eighth-placed Kangaroos need to defeat the Swans, who sit second, to stave off a late challenge from fast-finishing Melbourne.Hard-running Roo Sam Gibson was named despite breaking his nose on Tuesday when he dropped a barbell on his head in a gym mishap.Sydney also recalled Ben McGlynn, but lost co-captain Kieren Jack to an ankle injury, suffered on Thursday at training, while Toby Nankervis was dropped.Former Swan Lewis Jetta and Jackson Nelson come in for West Coast as they prepare to host ladder leaders Hawthorn in a huge Friday night encounter.Hawks forward James Sicily was available after serving a one-match ban, but Alastair Clarkson named an unchanged line-up.Greater Western Sydney have brought in Jacob Hopper and Nathan Wilson as they look to climb back into the top four with a win against Fremantle at Spotless Stadium.The Dockers will be without Aaron Sandilands (glute) and Matthew Pavlich (rested), with Cameron Sutcliffe, Matt Taberner and Jonathon Griffin included.Adelaide ruckman Sam Jacobs returns from a two-week ankle injury to take on cross-town rivals Port Adelaide.The Power will be without Charlie Dixon (ankle), Chad Wingard (hamstring) and Logan Austin (groin) for the 41st Showdown. Jake Neade, Jay Schulz and Jimmy Toumpas earned recalls.Richmond coach Damien Hardwick swung the selection axe, making four unforced changes to the side who capitulated to Geelong.Out go Ty Vickery, Anthony Miles, Nathan Drummond and Ben Lennon and in come Kane Lambert, Todd Elton, Callum Moore and Connor Menadue.The Tigers take on St Kilda on Saturday at the MCG, the Saints losing Sam Fisher to a hamstring injury and Tom Hickey to a calf strain, while bringing in Jarryn Geary, Jason Holmes and Jack Lonie.Ben Crocker replaces Taylor Adams (ankle) for Collingwood, who take on Gold Coast on Saturday night at Etihad Stadium.The Suns have recalled Alex Sexton, Sean Lemmens and Brayden Fiorini as they look to rebound from an embarrassing loss to Essendon.Pies forward Travis Cloke did not earn a recall from the VFL.In notable moves in extended squads named for Sundays fixtures, Andrew Mackie is back for the Cats, who take on a Lions side who regain Tom Bell.Darcy Parish and Mark Jamar return for the Bombers against the Bulldogs, who lost Matt Suckling to an achilles injury.Toby McLean, Koby Stevens, Will Minson and Roarke Smith are the inclusions to Luke Beveridges squad.Melbourne added Viv Michie, Sam Weideman and Alex Neal-Bullen for their clash with Carlton, who brought in Liam Sumner, Andrejs Everitt and Nick Graham. 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Cheap Nike Sb Blazer Low . For the Wild it was their first win of the season and they now have a record of 1-1-2 while the Jets fall to 2-2. Jets start a six game home stand Friday with another divisional game, home to the Dallas Stars. TUCSON, Ariz. -- Arizona exhausted the helium from its surprising and soaring run to the 2014 Pac-12 South title -- and the descent might not be over.The Wildcats are 9-9 since winning the South, including a Fiesta Bowl loss to Boise State. This season, Arizona is 2-2 as it takes an injury-plagued team into Saturday nights game against UCLA at the Rose Bowl.By the end of last weeks 35-28 overtime loss to Washington, Arizona was down to its second-string quarterback, a fourth-string running back and was playing without defensive starters at nose guard, outside linebacker and safety. As of Wednesday, there was no word if any of the No. 1s would be back this week, or anytime soon.There is still too much of a gap at certain positions between the No. 1 and No. 2, coach Rich Rodriguez said. Thats our job in recruiting, to close that gap.Rodriguez has struggled against UCLA, going 0-4 against the Bruins while losing by a combined score of 170-73. UCLA is 2-2 this season, both of its losses coming against top 10 teams, Texas A&M and Stanford.The schedule stays unfriendly for Arizona. Games at No. 18 Utah, vs. USC, vs. No. 7 Stanford and at Washington State follow this weeks game.The long-term silver lining is that the Wildcats appear to have found a dynamic young quarterback in redshirt sophomore Brandon Dawkins. He took over in the second game for two-year starter Anu Solomon, who suffered a knee injury in practice after a season-opening 18-16 loss to BYU.Dawkins accounted for a 56-yard run, a 79-yard touchdown run and a 54-yard pass against Washington. He trails only Louisvilles Lamar Jackson nationally in quarterback rushing with 391 yards.Hes hard to defend, because you get him defended and he can still make plays, Washington coach Chris Peterseen said Monday during his weekly press conference.dddddddddddd You think you have angles on him, and he can outrun angles. ... Hes a problem. Theres no doubt.Dawkins has been solid in the passing game, completing 50 of 81 passes for 625 yards, with three touchdowns and one interception, but hes in danger of becoming a one-man show.Starting running back Nick Wilson has missed all but one series of the past two games because of an ankle injury. Orlando Bradford was dismissed after his arrest in a domestic violence case.And third-string running back J.J. Taylor, a freshman who ran for 168 yards against Grambling State, suffered a broken left ankle late in the third quarter against Washington.J.J. was beginning to show everyone how special he is, Rodriguez said. We had a lot of plans for our two-tailback sets. Those plans change somewhat. Injuries happen. You dont want it to all hit at the same position, but it happens. Right now, it stings.The Wildcats are also in the midst of a defensive reboot. Rodriguezs four-man defensive coaching staff is all new, led by coordinator Marcel Yates, who previously held the same position at Boise State.Early results have been mixed.Yates more aggressive scheme has contributed to nine takeaways in four games but the defense is having a hard time getting off the field, ranking 122 out of 128 teams by allowing opponents to convert 50.9 percent of their third-down chances (29 of 57).Theyre a scrappy bunch, Rodriguez said. We still need to do a lot better job of creating three-and-outs. Thats been the most frustrating thing, particularly when were trying to control the tempo and the pace. ' ' '