Doctors offered a grim assessment of Michael Schumacher's head injuries Monday, providing no prognosis for the Formula One driving great after his skiing accident in the French Alps.

Schumacher, 44, has been placed in a medically induced coma to relieve pressure on his brain, which suffered bruising and bleeding when the retired seven-time world champion fell and struck a rock Sunday while skiing during a family vacation.

"He is in a critical state in terms of cerebral resuscitation," Dr. Jean-Francois Payen, the doctor in charge of Grenoble University Hospital's intensive care unit, said at a news conference.

Schumacher and his 14-year-old son were skiing Sunday morning in the French Alpine resort of Meribel, where the family has a chalet. He fell and hit the right side of his head on a rock. He was wearing a helmet.

Schumacher retired from the track for the second time only last year.

Winter sports

IOC President Thomas Bach expressed full confidence that Russian authorities will deliver a "safe and secure" Olympics in Sochi despite the two deadly suicide bombings in southern Russia that heightened concerns about the terrorist threat to the games.

  • U.S. Olympic hopeful Theresa Cliff-Ryan was injured when she landed on her head after being struck on the sidelines by a crashing speedskater, likely ending her quest to make the team for Sochi. Cliff-Ryan sustained a concussion and had several teeth knocked out, according to her coach, Matt Kooreman.

  • Off to a poor start during pre-Olympics races, U.S. ski racer Julia Mancuso says she's "taking a short break at home" in Squaw Valley. Mancuso has won three Olympic medals but has only one top-15 finish through 10 World Cup races this season leading up to the Sochi Games, which begin Feb. 7.

    Tennis

    Maria Sharapova beat 74th-ranked Caroline Garcia of France 6-3, 6-0 at the Brisbane International in her competitive comeback from injury and only warm-up event for the Australian Open, which begins Jan. 13.

    The four-time major winner played only one match after an early exit at Wimbledon last season because of a right shoulder injury. She showed no signs of soreness in advancing to the second round in Brisbane.

    In a men's first-round match, Sam Querrey upset seventh-seeded Dmitry Tursunov 7-5, 6-4.

  • Fourth-seeded Tomas Berdych lost his first match of the season, falling to Ivo Karlovic 7-6 (6), 7-6 (4) at the Qatar Open in Doha.

  • At the Hopman Cup in Perth, Australia, Sloane Stephens and John Isner gave the United States a 3-0 win over Spain.

    Fight sports

    The doctor who performed surgery on Anderson Silva believes the former UFC middleweight champion could fight again after the grotesque injury. Silva broke his tibia and fibula when he kicked the knee of 185-pound champion Chris Weidman on Saturday at UFC 168 in Las Vegas. Dr. Steven Sanders, the UFC's orthopedic surgeon, said Silva is already attempting to walk on crutches.