Midlands powerhouses Northampton and Leicester must set aside their respective turbulent weeks as they face make-or-break games in the fourth round of European Rugby Champions Cup fixtures.Northampton will be without England captain Dylan Hartley, who has been banned for six weeks after last Fridays swinging arm on Sean OBrien that resulted in the hookers third red card of his career.Hartleys latest misdemeanour came in a 37-10 home humbling by Leinster, with the teams immediately meeting again as this weekends matches see the reverse of the third round contests.That defeat left Saints bottom of Pool Four with one win, meaning they need victory on Saturday at the Aviva Stadium to stay alive in the competition.Northampton director of rugby Jim Mallender told BBC Radio Northampton: Weve got to go out there and play some rugby; were not going to beat them playing 10-man rugby.Theyve clearly got a good pack who put our forwards under pressure in the set piece, particularly the scrum, although we did well on our lineouts and they did well on their lineouts.A Castres home win over Montpellier on Sunday in the other pool contest would help Saints cause.Meanwhile Leicester are aiming to recover from their heaviest Champions Cup loss, a 38-0 hammering at Munster that reportedly left director of rugby Richard Cockerill in danger of being sacked.Cockerill will require victory at Welford Road on Saturday to appease chairman Peter Tom and get Tigers European campaign back on track. Like rivals Northampton they have one win, albeit they are third in Pool One, which is led by Munster.Glasgow are hot on Munsters heels after their 23-14 triumph at Racing 92, a result head coach Gregor Townsend hailed as the clubs best in Europe.Racings all-stars will be out for revenge on Friday evening at a sold-out Scotstoun Stadium where back-row forward Josh Strauss is set to make his 100th appearance for the Warriors.Defending champions Saracens will be looking to make it four Pool Three victories from four on Sunday against winless Sale, who they thrashed 50-3 last weekend.Rugby league convert Denny Solomona is poised to make his Sharks debut after his controversial move from Castleford.The 23-year-old Auckland-born player failed to report for pre-season training with Castleford despite having two years left on his contract and on Tuesday signed a three-year deal with the Premiership club.Solomona told Sales website: I have played full back, centre and wing and I dont really have a preference and will do my best whatever position I am asked to play by Steve Diamond.In the other pool match Toulon will look to keep pressure on Sarries by completing a double over Scarlets on Sunday at Parc y Scarlets.Wasps are also top of their pool and will be seeking successive wins over Connacht, although Saturdays meeting at the Sportsground looks tougher than last time out.Toulouse, third in Pool Two, are expected to keep pressure on Wasps with home success over Zebre.Winless Exeter need victory at Bordeaux on Saturday to revive their Pool Five campaign, but have not been helped by head coach Rob Baxter having to deny that England back Henry Slade is set to leave the club for Bath.Baxter told the Cheifs website: Ive had a couple of chats with Henry and had a joke with him about all the rumours that are flying around because there is no truth in him having any interest in going to Bath.In the other pool clash leaders Clermont host Ulster, who have two wins from three. 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The Montreal Canadiens announced on Friday that the veteran forward will return to the teams line-up on Saturday night when the Habs visit the Nashville Predators. Wholesale Shoes From China . Robredo, ranked No. 16, bounced back from an upset loss to Leonardo Mayer in the second round of the Royal Guard Open in Chile last week to down Carreno Busta in 1 hour, 25 minutes. On a day filled mostly with qualifying matches, fifth-seeded Marcel Granollers of Spain also entered the second with a 7-5, 3-6, 6-2 win over Aljaz Bedene of Slovenia, while Guido Pella of Argentina defeated Guillermo Garcia-Lopez of Spain 7-6 (6), 6-4 to advance.CALGARY -- The Calgary Stampeder offence will have an unfamiliar look Friday in Toronto, particularly if running back Jon Cornish cant play. Cornish is questionable for the game against the Argonauts -- a rematch of the 2012 Grey Cup -- with what head coach John Hufnagel called a thigh contusion. The CFLs leading rusher last season and the No. 2 runner behind Saskatchewans Kory Sheets this year didnt practise for a second straight day Wednesday. "It I cant go, then Ill try and get straight. If I can go, Ill try and dominate," Cornish said. But Cornish described the injury as one of "overuse" and not bruising. He ran for 175 yards and four touchdowns Aug. 9 in a 42-27 win over Saskatchewan, but was limited to 73 yards and one major in a 26-22 loss to the B.C. Lions last Saturday. "Ive recently restored a lot of range of motion to my leg that I havent had for four years," Cornish explained. "My leg did more work than probably its done with that range of motion in the (Saskatchewan) game and then (I) played in the B.C. game. It didnt feel good in that game." Calgary native Matt Walter will get the nod at halfback if Cornish cant play, Hufnagel said. Calgarys depth at receiver is getting tested. Veteran slotback Nik Lewis is out for at least six games with a broken fibula he suffered in Vancouver. Maurice Price also wont play Friday because of an ankle injury. Calgary (5-2) was already without receivers Joe West (shoulder), Johnny Forzani (ankle) and Chris Bauman (wrist) on the nine-game injured list. So Montreal native Jabari Arthur will get a lot of work for the next month and a half during Lewiss absence. Former quarterback Brad Sinopoli of Peterborough, Ont., had five catches for 81 yards his first CFL game as a receiver July 12 and will fill in for Price. It did not go well for Calgarys offence last week after Lewis went out in the second quarter following a tackle by B.C.s Solomon Elimimian. The Stampeders managed just ttwo field goals in the second half as receivers dropped the ball seven times.dddddddddddd Stampeder quarterback Kevin Glenn went 22 for 38 for 199 yards in passing. Hufnagel blamed his teams inability to move the ball on his receivers. "Probably one of the most disappointing games from our receivers that Ive been associated with as a group," Hufnagel told the Calgary Herald earlier this week. The coach and general manager was more moderate in his assessment Wednesday. "I didnt call them out. I just explained what happened in the game," the head coach said. "Id never seen a game with seven dropped passes before. Obviously our receivers have to do a better job of catching the football." Toronto (5-2) would probably key on Cornish if he plays given Calgarys unsettled passing game. Cornishs absence would be all the better for the Argonaut defence, ranked No. 2 in the league. "Were going to attack them as best as we can," Arthur said. Marquay McDaniel led Calgary in receptions with seven for 75 yards in Vancouver. The slotback will probably again be a recurring target for Glenn with Lewis out. "Weve just got to go out there and know what were doing each play, knowing your assignment and execute and just got to make the play when the ball comes your way," McDaniel said. "All year one guys gone down and somebodys got to step up and fill that spot." Arthur has dressed for every game and compiled 168 yards on 14 catches. He may not have the stocky Lewiss blocking talent, but at six foot four Arthur is half a foot taller than Lewis and thus offers more vertical. "Nik has a very great skill set and were probably going to miss it a little bit, but I think I also bring a different skill set to the table," Arthur said. "I think Ill still be able to make a few plays like Nik does for that position. "Im going to catch the ball if they throw it to me. Thats what Im going to do." ' ' '