KANSAS CITY, Mo. -- The Chiefs have gone from the talent-bereft team acquiring everybodys cast-offs just a few years ago to the team that is now sending its own fringe players away for draft picks.Kansas City traded cornerback Marcus Cooper to Arizona and wide receiver Rod Streater to San Francisco for undisclosed selections, part of a series of roster moves that allowed the Chiefs to reach the NFLs 53-man limit for the regular season by Saturdays deadline.The Chiefs also cut quarterbacks Aaron Murray and rookie Kevin Hogan, meaning Tyler Bray earned the third-string job behind Alex Smith and Nick Foles for the opener against San Diego.But the trades may have been the most eye-opening part of the roster-building process, if for no other reason than it demonstrates just how deep the Chiefs have become under general manager John Dorsey.We always put in where there are potential holes, you know -- Dorsey does that -- puts a board up. I remember the first year, we had a lot of circles up on the board, Chiefs coach Andy Reid said, and this year, there arent those circles. So thats a good thing.The Chiefs wound up keeping running back Knile Davis, who provides some depth in case Jamaal Charles is not quite ready for the opener. Charles is the presumptive No. 1 option despite coming back from ACL surgery, while Spencer Ware and Charcandrick West are next on the depth chart.Davis has also proven valuable as a kick returner.Ive been in the league going on four years now, so I pretty much know what to expect, Davis said after the Chiefs preseason finale, when his future was still in question.The Chiefs also kept speedy DeAnthony Thomas, who missed much of last season to a concussion. He was on the fringe after the Chiefs drafted a similar player in Tyreek Hill, who also made the team.Im just doing whatever I can to contribute, Thomas said, whether its on special teams, whether its on offense. Just going out there and knowing I can make plays to motivate our team.The Chiefs technically have 54 players on the roster because of an exemption they received for safety Eric Berry, who did not sign his franchise tender and report to training camp until last weekend.They are allowed to keep 54 players until Saturday, the day before their season opener.Others who were cut: linebackers Tyrell Adams, Andy Mulumba and Terrance Smith; defensive backs Jeron Johnson, Shak Randolph, Deveron Carr, Jamell Fleming and Brock Vereen; wide receivers DaRon Brown and Frankie Hammond Jr.; defensive linemen David King and Jimmy Staten; offensive linemen Zach Sterup, Daniel Munyer, Jarrod Pughsley and Reid Fragel; tight end Brian Parker and running back Darrin Reaves.The Chiefs still have a couple of areas of need that could be addressed on the waiver wire.With pass rusher Justin Houston out following knee surgery, and Tamba Hali hobbled by his own knee problems, the Chiefs could use help at linebacker. They also could use a veteran cornerback -- the most experience among their top six is three years in the league.Still, those are relatively small holes compared to what Dorsey and Reid found when they arrived in Kansas City in 2013, and took the reins of a franchise coming off a two-win season.John Dorsey and his guys provide us with a lot of competition at a lot of positions, Chiefs defensive coordinator Bob Sutton said. Thats a good thing and, like we talked about last week, sometimes you have to let go of a player that can play for you. You can only keep so many.---AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFLWholesale Avalanche Jerseys . The 15th-ranked Canadian men lost the opening two games of their European tour: 19-15 to No. 17 Georgia and 21-20 to No. Avalanche Jerseys 2020 . Houston won 3-0 to advance to face New York in the Eastern Conference semifinals. Last in the game, Di Vaio and Romero got into a shoving match with several Houston players. 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What she was craving more than anything, it turns out, was an extra.As in extracurricular.When I got to grad school I knew I really missed playing, Perry said. I wasnt sure exactly what I wanted, but I looked around L.A. for sports to get back into.Her search started with the sports with which she was familiar. There was soccer, which she enjoyed as a kid playing goalkeeper. And basketball, her familys sport. And volleyball, which she played at the club level at Vanderbilt.But it was a different sport that caught her eye.It wasnt until I started roller derby that I knew what I had been missing, she said. And what it was I needed.One of the things she missed, she said, was the thrill of competition. Roller skating just might have been in her genes, too.My mother always tells stories about skating with me until she was nine months pregnant, Perry said. And of us skating in crowded roller rinks together when I was a toddler.After seeing her first derby game in Ventura, California, Perry joined a local outfit called the L.A. Derby Dolls. Perry said that she was drawn to the speed and danger she perceived in LADDs style, played on a tilted surface called a banked track.Banked-track roller derby called up my inner thrill-seeker, Perry said, adding that roller derby got her reacquainted with the camaraderie of being part of a close-knit team that she cherished in high school.Seven years on, Perry is a 36-year-old Ph.D. candidate and married mother of a kindergartner. She has switched to flat-track derby and plays for the Angel City Derby Girls.She is recognized as one of the best defensive players on one of flat-tracks best teams.This weekend, the skater who plays under the name Hunnie Brasco will try to help Angel City, ranked fifth in the world, advance to the Womens Flat Track Derby Association championship when it plays in the Division 1 playoffs in Vancouver, British Columbia. As the No. 2 seed in the WFTDAs third of four playoff tournaments, Perry and her teammates need to win their first two games to book a ticket to Champs, which takes place in Portland, Oregon, Nov. 4-6.Perrys switch from LADD to Angel City had less to do with playing on a different surface than what she calls her need for more personal athletic challenges.dddddddddddd She also wanted to play a wider variety of teams across the world, something offered by the WFTDAs several hundred leagues, spanning Seattle to Sydney, Australia.The opportunity to travel across the country and really bond and get to know your team intimately was very part and parcel with what I wanted out of a sport, she said.After Perrys switch in 2014, Angel City crept up the rankings. Now Angel City is a formidable rival to other world-class roller derby teams such as reigning world champion Rose City of Portland, five-time world champion Gotham from NYC, and perennial powerhouse Texas based in Austin.Angel City has made a name for itself with its top-notch athleticism.We have athletes from a diverse set of backgrounds -- everything from hockey to gymnastics, CrossFitters too, Perry said. I love [derby] players who have played other sports, and watch other sports, because you can always learn from other disciplines.Known informally as the Sequoias, many of Angel Citys key players, including Tui Lyon and Rachel Johnston, are 5 feet 10 or taller. Perry, known for her hard hits (and sense of humor), is 5-11.Hunnie is cripplingly funny. She brings a kind of levity every team needs, Johnston said. Her mile-long legs carry her at terrifying speeds -- shes a jammers worst nightmare.Lyon, a key acquisition from No. 2-ranked Victoria (Australia), says Perrys athleticism matches her cool head and competitive temperament.She hits walls with such incredible force and tenacity, Lyon said. Shes like a Tasmanian devil.As important as the friendship and the competition, Perry says her league is extremely supportive of her as a mother.I feel very fortunate at ACDG that I have support from my league. For some leagues it might be a contentious point, Perry said, noting the time commitment and fitness level demanded of derby athletes. We have eight mothers on our all-star team alone.My son always wants to go to practice with me, because its just like a big gymnasium for him.But thats not all that is good about Angel City, and the league she lives to compete for.Our team is also very ethnically diverse, and that for me is wonderful, Perry said. Its not something that I can put into words, but playing here just feels so welcoming. ' ' '