San Francisco 49ers’ Frank Gore (21) celebrates the 13-0 touchdown with Daniel Kilgore (67) against the St. Louis Rams in the second quarter at
San Francisco 49ers' Frank Gore (21) celebrates the 13-0 touchdown with Daniel Kilgore (67) against the St. Louis Rams in the second quarter at Candlestick Park in San Francisco, Calif., on Sunday, Dec. 1, 2013. (Josie Lepe/Bay Area News Group)

SANTA CLARA -- While the 49ers weigh the long-term futures of Jim Harbaugh and Colin Kaepernick, the team's first contract extension this offseason was awarded Friday to Daniel Kilgore, a potential successor to Jonathan Goodwin as the starting center.

Kilgore, who's never started a game in three seasons, received a three-year extension that runs through 2017.

Goodwin, a 12-year veteran, is slated to become an unrestricted free agent March 11. He's started every game since arriving in 2011 as a free agent.

Kilgore played every game the past two seasons, often coming in as an extra lineman on offense. A 2011 fifth-round draft pick out of Appalachian State, Kilgore was arrested Jan. 31 for public intoxication in Kingsport, Tenn.

"We are pleased to extend the contract of a talented, young player like Dan," general manager Trent Baalke said in a statement. "This move is another example of our philosophy to extend the contracts of our own young players."

Kilgore's rookie contract was set to expire after this coming season, as is the case with notable teammates such as Kaepernick, running back Frank Gore, linebacker Aldon Smith, wideout Michael Crabtree, guard Mike Iupati, cornerback Chris Culliver and fullback Bruce Miller.

Other in-house candidates at center are Joe Looney and Adam Snyder. The Cleveland Browns' Alex Mack, a Cal product, is poised to become the top free-agent center.



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The San Francisco 49er’s Daniel Kilgore, left, and Patrick Willis, right, pack their belongings from lockers at the 49er training facility in Santa
The San Francisco 49er's Daniel Kilgore, left, and Patrick Willis, right, pack their belongings from lockers at the 49er training facility in Santa Clara, Calif. on Monday, Jan. 23, 2012. On Sunday, the 49ers lost in the NFC Championship game to the New York Giants in overtime 20-17, thus ending their storybook season and run for the Super Bowl. (Dan Honda/Staff)