MEXICO CITY - Mexican World Cup players may be asking: Wheres the beef? The Mexican players are being banned from eating beef, a move aimed at avoiding positive doping tests from meat contaminated with the performance-enhancing drug clenbuterol. Coach Miguel Herrera said Wednesday he had told his players more than a month ago not to eat red meat. During the 2011 Gold Cup, five Mexico players tested positive for clenbuterol, a muscle-building drug. The Mexican Football Federation eventually cleared the players of doping. The World Anti-Doping Agency accepted what it termed "compelling evidence" that meat in Mexico was contaminated with clenbuterol and produced the positive tests. "Our training centre has determined, based on what happened in the past, that red meat shouldnt be eaten," Herrera said. Mexican authorities have acknowledged that the drug, which is banned in the sports world, has been used in the country to fatten cattle. Defender Miguel Ponce, who was left off the original 23-man team, said he had been eating some red meat. He was added to the team recently to replace injured midfielder Juan Carlos Medina. "I ate a few tacos, but I hope there is no problem," Ponce said. "From now on Ill follow whats been requested." Mexico plays its first match at the World Cup in Natal against Cameroon on June 13, faces Brazil on June 17 in Fortaleza in its most difficult game in Group A, and will then play Croatia on June 23 in Recife. Brazil is the clear favourite to win the group and advance to the knockout stage. Second place in the group seems wide open. Boston Celtics Shirts . Tony Parker had 33 points and nine assists and San Antonio never trailed in a resounding 116-92 victory over Portland, bullying the younger Trail Blazers in Game 1 of the Western Conference semifinals. Wholesale Celtics Jerseys . Blown save in the ninth inning? No problem. https://www.cheapceltics.com/. Alexander was released last week by the Edmonton Eskimos, where he spent the past three seasons at safety. He had 121 defensive tackles, five special teams tackles and seven interceptions in 51 regular-season and three playoff games. Boston Celtics Store . The victory strengthened Liverpools position in the top four after Tottenham lost 1-0 at Norwich in the days late kickoff, cutting the north London club six points adrift of fourth place and the final Champions League slot for next season. Celtics Jerseys 2020 . Quarterback Drew Willy appeared to injure his throwing hand on the third last play of practice Thursday.Andy Murray will likely have to exorcise the ghosts of last years Miami Open final defeat to Novak Djokovic if he is to claim glory in the Florida sunshine. In 2015, Djokovic ran away with a 7-6 4-6 6-0 victory to claim the Miami title against Murray. Having been drawn in opposite halves of this years competition as the No 1 and No 2 seeds, they will not meet before the final. This is the potential route that Murray could navigate towards Miami glory. You can watch the Miami Open live on Sky Sports between March 23-April 3... Denis Istomin - second round Andy Murray booked his place in the third round of the Miami Open with a 6-3 7-5 win over Uzbekistans Denis Istomin. The Uzbekistan player managed to break Murray in the second set but couldnt hold onto the advantage. Murray eventually wrapped up a straight sets victory to condemn Istomin to further despair in a shockingly poor run of form.Istomin beat prodigious teenager Borna Coric in three sets in a first-round Miami tie which put some gloss on a bleak year - it was his first win in eight matches during 2016, and his first on the tour since last October. Istomin is the world No 76 and Murray had won both of their previous meetings in 2013.Grigor Dimitrov - third round Grigor Dimitrov is a highly rated youngster Murray might have found himself in a rematch with Federico Delbonis, the world No 53 who eliminated him last week at Indian Wells, but it wasnt to be. Bulgarias Dimitrov ended Delbonis hopes with a second-round 7-6 4-6 6-4 victory.Dimitrov, 24, is the world No 28 and will be no shrinking violet as a third-round opponent. Murray owns a 6-2 head-to-head record against Dimitrov, and has won their three most recent meetings.Gael Monfils - fourth round Gael Monfils brings entertainment to the court A match-up with one of the tours great entertainers would be a fascinating prospect for Murray fans. Monfils, complete with his arsenal of unorthodox shots and party tricks, is always great value to test the worlds top players.Monfils has a respectable two wins from six matches against Murray, although those wins came in 2006 and 2010. Since then, they have played just once and Murray won in the 2014 French Open quarter-final.Monfils defeated Delbonis, who in turn beat Murray, last week at Indian Wells but then lost to Milos Raonic in the last eight.Kei Nishikori - quarter-finals Murray (left) and Kei Nishikori played in the Davis Cup The athletic Japanese player is one of the few players on tour who can keep pace with Murrays high-octane, punishing style of tennis. Yet, the world No 6 Nishikori has only beaten him once in seven attempts.Should they meet in Miami, Murray vs Nishikori would be a rematch from earlier this month. They met in Birmingham in the Davis Cup, with Murray winning to hand Great Britain an insurmountable 3-1 advantage over Japan.That contest was a five-set marathon and Nishikori was up to speed for tthe vast majority of the match.dddddddddddd. Should they play again, Murray must know his opponent will not tire in the three-set format of the Miami Open.Milos Raonic - semi-finals Murray beat Raonic in a thriller at Melbourne Park A rematch of the five-set Australian Open semi-final awaits should the huge-hitting Canadian makes progress. And he will be fully be expected to following a wonderful start to the season.Raonic claimed his eighth career ATP Tour title in Brisbane before an impressive run at Melbourne Park. He followed that up by reaching the Indian Wells final where he was dismantled by world No 1 Novak Djokovic for only his second defeat of the year.His recent form suggests he can mix it with the big name players, but he must stay fit and healthy in order to continue his improvement.Murray holds a narrow 4-3 winning record over the world No 12 and has won their last three meetings.Novak Djokovic - final Take a look back at last years Miami Open final where Novak Djokovic beat Murray Take a look back at last years Miami Open final where Novak Djokovic beat Murray Who else but Djokovic? The mighty Serb could be paired against Roger Federer in his semi-final after either Richard Gasquet or Tomas Berdych in the quarters, but it remains difficult to foresee a Djokovic defeat.Chief among his various accolades is a brutally one-sided record over Murray which includes last years Miami final. The world No 1 owns a 22-9 head-to-head advantage which has actually gathered pace in recent years.At last years Montreal Masters, Murray snapped an eight-match losing streak against Djokovic which dated back to his famous 2013 Wimbledon final win. Since the result in Canada Djokovic has romped to three consecutive wins against the Dunblane man, most recently in the Australian Open final in January. A second match-up of 2016 is an imposing prospect for Murray.You can watch the Miami Open live on Sky Sports between March 23 - April 3.By purchasing a Sky Sports Day Pass for £6.99 or Sky Sports Week Pass for £10.99, you can enjoy access to all seven Sky Sports channels and watch on a TV with a NOW TV Box or on a range of devices. Also See: ATP schedule Tennis on Sky Get a NOW TV pass Video ' ' '