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KANSAS CITY, Mo. -- Rarely are teams forced to make wholesale roster changes in the middle of the season, and those that do usually arent coming off arguably their best performance in weeks.The Kansas City Chiefs did precisely that this week.Their trade of running back Knile Davis to the Green Bay Packers on Tuesday for a conditional late-round draft pick started a wave of roster transactions. They also placed defensive end Allen Bailey and linebacker Justin March on injured reserve and waived defensive lineman Nick Williams.As a result, four newcomers were on the 53-man roster for practice Wednesday.Defensive lineman Rakeem Nunez-Roches and linebacker Ramik Wilson were drafted by Kansas City, and cornerback Terrance Mitchell has been with them on the practice squad. The Chiefs also signed defensive end Kendall Reyes, who has been with the Chargers and Redskins the past few years.Thats a lot of people to get up to speed before Sundays game against New Orleans.Id just like to be able to help however I can, Reyes said.In truth, none of the newcomers figures to be taking on much load this weekend. Their additions are primarily for depth, moves designed to help the Chiefs in the event of another injury.The trade of Davis started the domino effect, though. The decision to cut ties with a former third-round pick gave the Chiefs roster flexibility and some modest salary cap savings, and relieved some of the pressure that was building at running back with three others already on the roster.It gives him an opportunity during the prime of his career here an opportunity to play, Chiefs coach Andy Reid said. Some of the stuff were doing here probably isnt his best stuff. Every time he played he got a hundred yards, it seemed like, but we did a lot of downhill stuff at the time.Hes very good at that, Reid said. Were just doing different stuff now.The offense doesnt figure to change much without Davis, who had been active this season primarily because of his ability as a kick returner. But things could change much more on defense.Bailey was a big part of the rotation on the defensive line along with Williams, Dontari Poe and Jaye Howard. But he tore his right pectoral muscle in last Sundays impressive win in Oakland , and will have surgery Monday that will sideline him for the rest of the season.Now, rookie Chris Jones will join Reyes in trying to soak up some of the snaps.Losing him, its a huge impact. Hes a huge part of our defense, Jones said. Hes a veteran guy that Ive been looking after. Its just a tough loss.The loss of March to a broken left hand is doubly painful considering he was already replacing Josh Mauga, who is out for the season. And his replacements are largely untested or new to the Chiefs: Wilson has rarely played, Sam Barrington has been hobbled since joining the team earlier this season and Sio Moore has been working mostly outside since signing a couple weeks ago.Reid said it essentially will be an open competition to decide who starts alongside Derrick Johnson on Sunday, though he indicated Wilson has the best grasp of the system.Weve got a group of guys, he added. Well just let them go at it and give them a shot.There is also some uncertainty in the defensive backfield with Phillip Gaines dealing with a knee injury. He didnt practice Wednesday, though the Chiefs are hopeful he will work out later in the week.Still, thats hardly how they want to go into a game against Drew Brees and the Saints, who are averaging more than 400 yards of offense and 31 points per game.Its a big task, Jones said, but well be up to it.Game notes LB Justin Houston (left knee surgery) returned to practice for the first time since having surgery in February. There is still no timetable or his return to games. Well just see how much he can get done, Reid said. ... Gaines underwent an MRI exam and Dr. James Andrew, who repaired his ACL last year, examined the results. But the Chiefs are still listing him as day to day.---AP NFL website: www.pro32.ap.org and AP NFL Twitter feed: https://twitter.com/AP-NFL Bradley Chubb Broncos Jersey . Aside from the trilogy main event title fight, there are a number of intriguing matchups in the heavyweight, welterweight and lightweight divisions. Shannon Sharpe Broncos Jersey . The Barrie Colts defenceman, who impressed many with his play for Canada at the World Junior Hockey Championship, is the top-ranked skater in the February rankings. He has 19 goals and 24 assists for 43 points in 45 games with the Colts this season. http://www.thebroncosstoreonline.com/Youth-Phillip-Lindsay-Broncos-Jerseys/ . Andreas Johnson had a goal and two assists while Jacob de la Rose also scored for Sweden (2-0-0). Esa Lindell and Rasmus Ristolainen replied for Finland (1-1-0) Lindell opened the scoring for Finland just 41 seconds into the game, but the hosts quickly regained their composure and tied the score less than four minutes later on Wennbergs first of the game. Brian Dawkins Broncos Jersey . Ferrer, trying to win his fourth title on Mexican soil, will next play South Africas Kevin Anderson, who eliminated American Sam Querrey,7-6 (2), 6-4. Also Wednesday, Gilles Simon (6) of France beat Donald Young of the United States 6-4, 6-3, Ukraines Alexandr Dolgopolov downed Frenchman Jeremy Chardy 6-3, 6-4 and Croatias Ivo Karlovic defeated Dudi Sela of Israel 7-6 (4), 6-2. Peyton Manning Youth Jersey . 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.ZURICH, Switzerland -- FIFA has extended