KANSAS CITY, Mo. -- Alex Smith had every reason to celebrate the Kansas City Chiefs season-opening win over San Diego, starting with the fact it came after the biggest comeback in franchise history.He had plenty of things to lament, too.The Chiefs offensive line got pushed around for three quarters, the defensive line was just as bad, and their secondary couldnt keep up with the Chargers fleet of speedy wide receivers.I think everyone knows how bad we played, Smith said after the 33-27 overtime victory. As great as it is to win, theres going to be a lot to improve upon, a lot to learn from.The same goes for San Diego.The Chargers raced to a 24-3 lead early in the second half, and still led 27-10 early in the fourth quarter. But Philip Rivers and Co. were unable to keep drives alive, Smith and the Chiefs capitalized on good field position, and the game was soon tied at 27 as regulation came to an end.San Diego never even got a chance in overtime.Smith marched the Chiefs downfield in 10 plays, then scampered into the end zone on third-and-goal from the 2. The touchdown completed their stunning comeback -- and the Chargers equally stunning collapse.You got to give them credit. They had an awesome fourth quarter and we didnt do anything to counter it, Rivers said. All of a sudden you look up and theyre in overtime.As both teams begin digesting a wild season opener, here are some of the key takeaways:ALLENS INJURY: The Chargers could be without wide receiver Keenan Allen the rest of the season after his knee buckled while making a cut in the second quarter. Allen had to be taken from the field in a cart, and coach Mike McCoy uttered the dreaded three-letter acronym ACL after the game.Were going to run further tests, he said. The way weve been doing it, the majority of teams, put a general statement out and when we get back home well further evaluate things.Allen had six catches for 63 yards before going down, and looked to be every bit recovered from the lacerated kidney that forced him to miss the final eight games last season.Its hard, McCoy said. Keenan has worked so hard to get where he is.CHIEFS CHURNING: Even without running back Jamaal Charles, who continues his own comeback from an ACL injury, the Chiefs were able to run their usual offense with backup Spencer Ware.The bruising back not only ran for 70 yards, including the tying touchdown with just over a minute left in regulation, he also caught seven passes for 129 yards -- one of them in overtime.He has a knack for making plays when you need them, Chiefs coach Andy Reid said.CATCHING KELCE: The star of E!s reality TV show about a search for love, Chiefs tight end Travis Kelce reminded everyone that hes a football player first. He had six catches for 74 yards, picking up a crucial third down that kept the winning overtime drive alive.GORDON WAS GOOD: Melvin Gordon ran for the first two touchdowns of his career Sunday. The Chargers first-round pick a year ago was a relative disappointment, never once getting into the end zone during his rookie season, but finally showed flashes of what made him a college star.Not that he wanted to dwell on his performance: We have to watch the film and look at every play and analyze what we could have done better, he said. Today wasnt enough.WHAT A RUSH: The Chiefs managed one sack without star pass rusher Justin Houston, out after knee surgery in February. Some of that had to do with an improved San Diego offensive line anchored by new center Matt Slauson, which spent three quarters pushing around the Kansas City defense.We got into a nice rhythm, Chargers offensive tackle Joe Barksdale said, but you just cant let them back in. 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MEMPHIS, Tenn. -- Memphis has added 6-foot-11 center Chad Rykhoek, a Baylor graduate transfer who never played at his original school because of injuries.Tigers coach Tubby Smith announced the addition of Rykhoek (RYE-cook) in a news release Thursday.Rykhoek was rated as a top-150 recruit by Rivals when he enrolled at Baylor in 2012, but a series of injuries prevented him from playing for the Bears. Memphis officials say Rykhoek has indicated hes healthy now and expects to be ready for the start of the season.ddddddddddddykhoek joins guards Christian Kessee and Keon Clergeot and guard/forward Jimario Rivers as newcomers on Memphis 2016-17 roster. Clergeot is a freshman, Kessee is a graduate transfer from Coppin State and Rivers is a transfer from Southwest Tennessee Community College. NFL Jerseys Outlet Cheap Jerseys Store NFL Jerseys China Wholesale NFL White Jerseys Cheap NFL Autographed Jerseys Discount Jerseys Cheap Nike NFL Jerseys ' ' '