UFC star Anderson Silva has been rushed to hospital and may require emergency gall bladder surgery. Silva was due to headline UFC 198 in his native Brazil on Saturday but was taken ill before boarding the plane from Rio de Janeiro to Curitiba.He called me and said Im going to the hospital, but Ill get better, so we came to Curitiba, Silvas coach Luiz Carlos Dorea said. When we arrived in Curitiba, he said Master, I came home but the pain is too much. I told him to eat something, but he said I cant, Im eating and throwing up. He told me this afternoon [Tuesday] that it was too painful and he had to go back to the hospital. Anderson Silva is regarded as one of the greatest fighters ever Silva, who was aiming to return to winning ways after losing a controversial decision to Britains Michael Bisping at Londons O2 in February, was due to fight Uriah Hall in his first fight in Curitiba in more than a decade.He was doing great, and this came out of nowhere, Dorea said. He felt some [abdominal] pain before, but nothing serious. He always came back to train the next day, so we never imagined it would be something like this. Also See: Bisping upsets Silva at The O2 McGregor fuels Floyd speculation White: McGregor is to blame McGregor replaced by Jones New England Patriots Jerseys Outlet . Browns owner Jimmy Haslam announced the move with Young on Monday during a speech at a Pro Football Hall of Fame luncheon. Cheap New England Patriots Jerseys Online .35 million, avoiding arbitration. Davis led the majors last season with 53 home runs and 138 RBIs, both career highs. He earned $3. http://www.cheappatriots.com/ .C. -- The Bobcats announced theyve signed centre Justin Hamilton to a 10-day contract. Authentic New England Patriots Jerseys . -- Broncos defensive end Derek Wolfe was alert and recovering at a Denver hospital Saturday after suffering seizure-like symptoms when the teams bus pulled into the airport Friday afternoon for the flight to Kansas City. Wholesale New England Patriots Jerseys .9 million deal Thursday. The 25-year McGinn had 19 goals and 19 assists in 79 games last season in helping the Avalanche tie a franchise record with 52 wins.Melbourne, Australia (SportsNetwork.com) - Serena Williams quest for an 18th career singles Grand Slam title will have to wait a few more months. The world No. 1 will have to start a new winning streak too. Serbian Ana Ivanovic stunned Williams, 4-6, 6-3, 6-3 Sunday to reach the quarterfinals of the Australian Open. The 14th-seeded Ivanovic ended Williams 25-match winning streak and dealt the American a shocking fourth-round exit. Ivanovic, who was the runner-up in Melbourne in 2008 and was the French Open champion later that year, took advantage of 31 unforced errors from Williams. "Its not easy playing such a champion and Ive never beaten her before," Ivanovic said during an on-court postmatch interview. Before this match, Ivanovic had lost all four previous matchups against Williams. In fact, she hadnt taken a set against her, but that all changed at Rod Laver Arena. A five-time Australian Open champion, Williams lost for just the second time in 53 matches at the event when winning the first set. Her only previous defeat came last year in the quarterfinals to Sloane Stephens. Williams fought back from a break down to win the first set, but in the second Ivanovic broke for a 3-2 edge. She finally finished off the set on her third chance, a forehand winner. "I had some confidence coming into todays match," Ivanovic said. "I really did certain things extremely well, you know, and I kept her under pressure I felt throughout the whole match." The errors then started to pile up for Williams, as she lost the first three games of the final set. Williams held serve to get within 5-3 and saved one match point when Ivanovic sent a forehand into the net. The encounter finally ended when Williams sent a return long. "I wasnt the best, but it was all Anas day. I thought she played reeally well," said Williams, who fired 13 aces.dddddddddddd. "I made a tremendous amount of errors. Im just not used to missing those shots." Williams has been dealing with a back injury, which she termed as not "life threatening" but said she was unable to get additional days off due to the schedule of playing essentially every other day as a Grand Slam tournament requires. She even contemplated not taking the court Sunday due to the injury, but gave Ivanovic all the credit for winning. "I think its almost good I lost today because now I know what I have to work on," added Williams, who pulled out of the doubles competition with her sister, Venus before their first-round match. That was because Venus had a lower left leg injury. Ivanovic will face either 30th seeded Canadian Eugenie Bouchard or Australian Casey Dellacqua in the quarterfinals. Only three players have won 18 Grand Slam singles titles in the Open Era - Chris Evert (18), Martina Navratilova (18) and Steffi Graf (22). Serenas next chance at No. 18 will come at the French Open at the end of May. Fourth seed Li Na of China bested 22nd-seeded Russian Ekaterina Makarova, 6-2, 6-0 in 59 minutes. Li, who lost to Victoria Azarenka in last years finale in Melbourne, will face Italian Flavia Pennetta in the quarterfinals. The 28th-seeded Pennetta, who did not play the 2013 Australian Open due to a wrist injury. upended No. 9 seed Angelique Kerber of Germany, 6-1, 4-6, 7-5. This is Pennettas first quarterfinal appearance at the Aussie Open, but her second straight such showing in a Grand Slam tournament. Pennetta, who fired eight aces, was ousted by Azarenka at the 2013 US Open semifinals. Since 1999, only one German player has advanced to the Australian Open quarterfinals. That was Andrea Petkovic in 2011. 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