LOS ANGELES (AP) — Authorities: No immediate evidence that Tiger Woods was impaired in car crash that seriously injured both legs.

PARIS (AP) — Serena Williams has withdrawn from the French Open with an Achilles injury.

TAMPA, Fla. (AP) — New York Yankees right fielder Aaron Judge has broken rib.

ANAHEIM, Calif (AP) — Blues defenseman Jay Bouwmeester taken to hospital after cardiac episode on bench and is conscious and alert, team says.

MOORE, Okla. (AP) — Driver charged with manslaughter in deaths of two high school cross country runners in Oklahoma.

NEW YORK (AP) — NBA says former commissioner David Stern has died at age 77 nearly 3 weeks after suffering brain hemorrhage.

LOWELL, Mass. (AP) — A University of Massachusetts Lowell professor is headed to the Winter Olympics in South Korea, but not to compete for medals.

Physical therapy professor Alexandre Lopes is among the international experts in Pyeongchang studying the performance of the athletes for the International Olympic Committee.

The research team is gathering data on how many athletes sustain injuries or fall ill during the games.

BOULDER, Colo. (AP) — The University of Colorado has been selected to lead the Pac-12 Conference's new initiative to use eye-tracking technology to better understand traumatic head injuries in student athletes.

The conference announced Thursday that it has formed a Student-Athlete Health and Well-Being Concussion Coordinating Unit, a multi-year and multi-site research initiative that will use the eye-tracking technology to study how to prevent and respond to head injuries in athletes.