RIO DE JANEIRO -- No more swimming? Its OK. There is still plenty to watch Sunday at the Rio Olympics:Mens 100, semifinals at 8 p.m. ET, final at 9:25 p.m. ET: One of the biggest showdowns of the Olympics arrives Sunday; Usain Bolt and Justin Gatlin are expected to go head-to-head to determine who is the Fastest Man Alive. Bolt is looking to win an unprecedented third straight Olympic gold in the event and is the heavy favorite despite a hamstring injury that cut his competition short at Jamaicas trials. Before the 100, LaShawn Merritt will look to dethrone Kirani James in the 400 final (9 p.m. ET), while Allyson Felix takes part in the womens 400 semifinals (7:35 p.m. ET).Complete track and field coverageMen and women, individual events, begins at 1 p.m. ET: Simone Biles will look to add to her medal collection when she competes in the womens vault final (1:47 p.m. ET). Biles already has two gold medals, one in the team event and another in the all-around. Teammates Gabby Douglas and Madison Kocian will both be competing in the uneven bars final (3:21 p.m. ET). On the mens side, Sam Mikulak and Jake Dalton will both be competing in the floor exercise final (1 p.m. ET).Complete gymnastics coverageMens final, 2:30 p.m. ET: Juan Martin del Potro wont have much time to recover from Saturdays epic semifinal match against Rafael Nadal. After beating the Spaniard in three sets, del Potro now faces defending champion Andy Murray in the final. Murray could become the first tennis player to win two Olympic golds. Meanwhile, Venus Williams and playing partner Rajeev Ram will play against Bethanie Mattek-Sands and Jack Sock for the mixed-doubles crown. Venus is guaranteed a record-tying fifth medal and, if her and Ram win, she will become the only tennis player in the modern era to win Olympic gold in singles, doubles and mixed doubles.Complete tennis coverageU.S. men vs. France, 1:15 p.m. ET; U.S. women vs. China, 11:15 a.m. ET: After squeezing through two close contests against Australia and Serbia, the U.S. mens team faces France in the last game of preliminary play. On the womens side, the Americans had a slow start in their last game against Canada but wound up winning comfortably. Both U.S. squads are undefeated.Complete basketball coverageMens final round, 6 a.m. ET: Britains Justin Rose has a one-shot lead over Swedens Henrik Stenson leading into the final round. It will be the first Olympic medal in golf since it was last on the competition program in 1904.Complete golf coverage Adidas NMD NZ Sale . 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CHARLOTTE, N.C. -- Welcome back to the big stage, Jerick McKinnon and Fozzy Whittaker.Oh, and Matt Asiata and Cameron Artis-Payne, get ready to carry the football, too.The Vikings and Panthers will be counting on their backup running backs to have a next man up mentality when they meet Sunday in Charlotte, a city that was placed under a state of emergency due to the violent protests stemming from a police shooting last week.Both teams lost their featured backs last week to injury -- Minnesotas Adrian Peterson underwent surgery to repair a torn meniscus, while Jonathan Stewart is dealing with a pulled hamstring. Both players are out indefinitely.While Peterson was the leagues MVP in 2012, a case can be made that Stewart might be just as valuable to the Panthers at this point. Carolina comes in with the leagues top-ranked rushing offense, while the Vikings are last.Whittaker has started three games since coming into the league as an undrafted rookie in 2012, but ran for 100 yards on 16 carries last week in a 47-26 win over the San Francisco 49ers after Stewart went down in the first quarter. Whittaker has primarily been used as a third-down back and could wind up splitting carries with Artis-Payne, a bigger, stronger runner who has more of a straight-ahead style.A lot of it is you prepare for the scheme and then youre aware of the back thats in there, whichever back it ends up being, Vikings coach Mike Zimmer said.McKinnon hopes to give the Vikings (2-0) a boost in the running game.The 5-foot-9, 205-pound back has started six games during his three seasons in the league, all of those in 2014 when he ran for 538 yards and averaged 4.8 yards per carry. Asiata is a power back who could see goal-line and short-yardage carries.Things to watch on Sunday:BUMMED BROTHER: Panthers center Ryan Kalil said he is bummed that he wont be facing his brother Matt, the starting left tackle for the Vikings who was placed on injured reserve with a hip injury this week. They have faced each other twice in their careers.We definitely get very competitive during these weeks and we have a 1-1 tally going on, Ryan Kalil said. Im really, really disappointed for my brother and I knew hes really upset.T.J. Clemmings, who started all 16 games at right tackle last season for the Vikings, will be back in a starting role.ddddddddddddWAYNES WORLD: The knee injury that kept Vikings cornerback Xavier Rhodes out of the first two games thrust Trae Waynes, the teams first-round draft pick last year, into an elevated role.Hes still on his NFL learning curve, as evidenced by the pass interference and defensive holding penalties he picked up on the same drive in the third quarter against Green Bay. Aaron Rodgers targeted him often. But Waynes darted in front of a fourth-quarter pass by Rodgers for a game-sealing interception in the victory, a clear sign of progress for the Michigan State product.Id much rather have him be aggressive and get a couple of those once in a while than play real soft and scared, Zimmer said of the flags thrown on Waynes.Rhodes has returned to practice this week, which could affect Waynes playing time.RECEIVERS ON A MISSION: Panthers wide receiver Kelvin Benjamin has been huge since his return from a torn ACL with 13 receptions for 199 yards and three touchdowns in his first two games back.Meanwhile, Stefon Diggs has been tearing it up for Minnesota with 180 yards receiving and a TD in last weeks 17-14 win over the Packers.CLEANING IT UP: The Panthers won last week despite turning over the ball four times. Its something Cam Newton said the team needs to clean up against the Vikings.We just cant keep allowing ourselves to go on those lulls and having those brain farts, the quarterback saidCAPTAIN RETURNS: Vikings cornerback Captain Munnerlyn spent the first five seasons of his career with the Panthers and still keeps a home in Charlotte in the offseason. So it will be a homecoming when he returns as a vital member of one of the leagues top defenses.Its definitely going back home, Munnerlyn said. My emotions are very high. Its going to be a crazy game for me, back in Charlotte where I stay, and playing against my former teammates and my former coach.---AP Sports Writers Jon Krawczynski and Dave Campbell contributed to this report.---AP NFL website: www.pro32.ap.org and http://twitter.com/AP-NFL ' ' '