Juan Ignacio Chela said he is retiring from professional tennis, leaving with six ATP singles titles and three in doubles — all on clay.

The 33-year-old Argentine has been hinting at retirement for weeks, and he announced it Monday on his Twitter account.

Newcastle recorded its first Premier League win in six matches by beating 10-man Wigan 3-0 on Monday after two goals by Demba Ba and another from Gael Bigirimana.

Newcastle manager Alan Pardew had been under pressure with his injury-hit team winning only one league match since he signed an eight-year contract extension in late September to sit just two points above the relegation zone.

Utah officials announced plans Monday for a long-shot bid for another Winter Olympics, saying they already have the venues in place and have left behind the taint of scandal from the 2002 games.

The bid for 2026 is contingent on the U.S. Olympic Committee deciding it will endorse a city for those games. Utah announced a bid far in advance to scare off any competitors, Reno-Tahoe among them. Nevada officials said Monday they were waiting for a USOC decision before making a possible bid of their own.

Juventus has been fined €10,000 ($13,000) after its fans unveiled an offensive banner during the 3-0 derby win over Torino that referred to the 1949 plane crash that wiped out nearly the entire "Grande Torino" squad.

The huge banner read — in translation — "We of Turin pride and glory, you just a crash."

The bacterial zoo inside your gut could look very different if you're a vegetarian or an Atkins dieter, a couch potato or an athlete, fat or thin.

Now for a fee — $69 and up — and a stool sample, the curious can find out just what's living in their intestines and take part in one of the hottest new fields in science.

Flu season in the U.S. is off to its earliest start in nearly a decade — and it could be a bad one.

Health officials on Monday said suspected flu cases have jumped in five Southern states, and the primary strain circulating tends to make people sicker than other types. It is particularly hard on the elderly.

Iran said on Tuesday it captured a small U.S. drone that penetrated its airspace over Gulf waters, but the White House and the U.S. Navy in the region denied the report.

The naval arm of the Iranian Revolutionary Guards said in a statement on the Guards website Sepahnews.com that "the unmanned U.S. drone patrolling Persian Gulf waters, performing reconnaissance and gathering intel, was captured as soon as it entered Iranian airspace."

The most widely anticipated pregnancy since Princess Diana's in 1981 is official: Prince William's wife, Kate, is pregnant.

St. James's Palace announced the pregnancy Monday, saying that the Duchess of Cambridge — formerly known as Kate Middleton — has a severe form of morning sickness and is currently in a London hospital. William is at his wife's side.

Arron Afflalo scored 30 points, and Glen Davis added 23 points and 12 rebounds as the Orlando Magic beat Dwight Howard in their first game against their longtime center, stunning the Los Angeles Lakers 113-103 on Sunday.

Howard had 21 points and 15 rebounds against his former team, but the rebuilding Magic rallied impressively for a 40-point fourth quarter for just their fourth win in 14 games, snapping a three-game skid.

The Iraq Stock Exchange says one of the country's largest mobile operators will start publicly trading its shares early next year. It will be the first stock float since the reign of Saddam Hussein.

The ISX said in a statement Sunday that a quarter of the Iraqi telecom operator Asiacell shares will be traded publicly as of Feb. 3.