The Merseyside derby between Liverpool and Everton and Arsenals home match with West Brom will be shown live on Sky Sports in April. Both games had been postponed due to cup commitments but Liverpool v Everton will now be played on Wednesday, April 20 at 8pm followed by Arsenal v West Brom on Thursday, April 21 at 7.45pm.Also on Sky Sports in April will be Manchester Citys trip to Newcastle, which will be shown live on Tuesday, April 19 at 7.45pm. Two more live fixtures on Sky Sports have also been confirmed for May - West Ham v Manchester United and Liverpool v Chelsea.The match between West Ham and Man Utd has been scheduled for Tuesday, May 10 (7.45pm), subject to Uniteds possible Europa League participation the preceding Thursday, and would be the last-ever fixture at Upton Park if played on that date.Chelsea will travel to Anfield on Wednesday, May 11 (8pm), a few days before the final round of matches of the 2015/16 season. West Hams last match at Upton Park is set to be shown on Sky Sports Other re-arranged fixtures will see Man Utd play their home match with Crystal Palace on Wednesday, April 20 (8pm) and West Ham v Watford will be on the same night (7.45pm).Norwich v Watford and Sunderland v Everton will also both be played on May 11 (both 7.45pm) while there is still no confirmed date for Crystal Palaces home match with Everton due to both clubs participation in the FA Cup semi-finals.Re-arranged fixtures live on Sky SportsNewcastle v Man City - Tuesday, April 19, 7.45pmLiverpool v Everton - Wednesday, April 20, 8pmArsenal v West Brom - Thursday, April 21, 7.45pmWest Ham v Man Utd - Tuesday, May 10, 7.45pmLiverpool v Chelsea - Wednesday, May 11, 8pm Also See: Relegation run-in predictions Title race predictions Premier League table Live on Sky Jeremy Roenick Coyotes Jersey . On Tuesday, Ottawa placed forward Cory Conacher and defenceman Joe Corvo on waivers as trade rumours swirl around the Senators. 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Garnett was dealt -- along with Paul Pierce -- to Brooklyn during the off-season. Brad Richardson Jersey . -- Charlie Graham stopped 67 shots as the Belleville Bulls edged the visiting Guelph Storm 6-5 on Saturday in Ontario Hockey League action. CHICAGO -- Continuing to play despite a concussion doubles recovery time for teen athletes and leads to worse short-term mental function than in those immediately removed from action, a study found.Its billed as the first to compare recovery outcomes for athletes removed from a game or practice compared with those who arent. The study was small, involving 69 teens treated at a University of Pittsburgh Medical Center concussion clinic, but the results bolster evidence supporting the growing number of return-to-play laws and policies nationwideThe study was published Monday in the journal Pediatrics.KEEPING SCOREThe study involved athletes aged 15 on average from several sports, including football, soccer, ice hockey and basketball who had concussions during a game or practice. Half continued to play and took 44 days on average to recover from symptoms, versus 22 days in those who were immediately sidelined.Sidelined players reported symptoms immediately, including dizziness, headaches, mental fogginess and fatigue, and were diagnosed with concussions by trainers or team physicians. The others, who continued playing for 19 minutes on average, delayed reporting symptoms and were diagnosed later.Those who continued to play had worse scores on mental function tests performed eight days after the concussion and 30 days after the concussion. Medical records showed mental function had been similar in all players before their concussions.RISKY RETURNSReturn-to-play policies are widespread, especially in youth athletics, and they typically recommend ssidelining players after a suspected concussion until symptoms resolve.ddddddddddddOne of the main reasons is to prevent a rare condition called second-impact syndrome -- potentially fatal brain swelling or bleeding that can occur when a player still recovering from a concussion gets hit again in the head.The study results show that a prolonged recovery is another important risk from returning to play too soon -- one that no one had really calculated until now, said Dr. Allen Sills, a Vanderbilt University neurosurgeon. He was not involved in the research.NOT REPORTEDAbout 300,000 sports-related concussions occur each year nationwide among all ages. In high school athletics, they occur at a rate of almost 3 per 10,000 games or practices.Evidence suggests up to 50 percent of concussions in teen sports arent reported. Athletes are sometimes not aware theyve experienced a concussion, or they suspect a head injury but continue playing because they dont want to let their teammates down, said University of Arkansas concussion researcher R.J. Elbin, the studys lead author.The results give us more ammunition to persuade young athletes to heed the return-to-play advice, Elbin said.---Online:Pediatrics: http://www.pediatrics.orgCDC: http://www.cdc.gov/headsup/youthsports/---Follow AP Medical Writer Lindsey Tanner at http://www.twitter.com/LindseyTanner. Her work can be found at http://bigstory.ap.org/content/lindsey-tanner ' ' '