SAN DIEGO — Tony Clark said he's “blown away” that he is the first former major leaguer to become head of the baseball players' union.

The executive board of the Major League Baseball Players Association voted unanimously to appoint Clark to replace Michael Weiner, who died Nov. 21 of brain cancer. The decision is pending a vote of the general membership.

Clark was an All-Star in 2001 and played for 15 seasons with Detroit, Arizona, the New York Mets, New York Yankees, Boston and San Diego. The 41-year-old was appointed deputy executive director in July and had been acting executive director since Weiner's death.

LAKE LOUISE, Alberta — Lindsey Vonn was cleared to get back on a World Cup course for downhill training, the latest step as she works to return from a right knee injury and get ready for the Sochi Olympics.Now Vonn — and the rest of the skiing world — will wait to find out whether she'll actually be racing by the end of this week.

LOS ANGELES — UCLA agreed to a six-year extension with football coach Jim Mora, putting him under contract through 2019.The Bruins moved swiftly to fend off any potential advances from Washington, where Mora was a walk-on defensive back and a graduate assistant more than 30 years ago.

EUGENE, Ore. — Quarterback Marcus Mariota has announced that he will return to Oregon for his junior season.There had been speculation that Mariota might declare himself eligible for the NFL. Following Oregon's 36-35 victory over Oregon State in the Civil War last Friday, he said he hadn't yet made a decision.But the school announced on its website that Mariota would stay, along with junior Hroniss Grasu, a three-year starter at center.

KANSAS CITY, Mo. — Five former Kansas City Chiefs players who were on the team between 1987 and 1993 filed a lawsuit claiming the team hid and even lied about the risks of head injuries during that time period when there was no collective bargaining agreement in place in the NFL.The lawsuit was filed in Jackson County Circuit Court on behalf of former players Leonard Griffin, Chris Martin, Joe Phillips, Alexander Louis Cooper and Kevin Porter, all of whom played on defense.