By Rex Gowar and Alastair Himmer LONDON/TOKYO (Reuters) - Argentina's Mariano Puerta denied a report on Wednesday that he had taken a banned drug and tested positive at this year's French Open where he reached the singles final. "I'm really angry, I've started investigations with my lawyers.

PARIS - Back on the tennis tour following a nine-month suspension, Mariano Puerta is relishing the best Grand Slam performance of his nine-year career.

PARIS - Back on the tennis tour following a nine-month suspension, Mariano Puerta is relishing the best Grand Slam performance of his nine-year career.

NEW YORK - Coming close to a perfect serving day, Andy Roddick rolled into the U.S. Open's round of 16 Sunday by overwhelming No. 29 Guillermo Canas of Argentina 6-1, 6-3, 6-3. Roddick smacked 21 aces, had zero double-faults, and erased all five break points he faced.

ROME - Andy Roddick's visit to Rome was a rough one, starting with a fire in his hotel and ending with a first-round upset in the Italian Open. "It's tough to put it out of your mind. You know it's going to creep in," Roddick said after losing to Guillermo Canas in straight sets Tuesday. The U.S.