INDIANAPOLIS (AP) The Indianapolis Colts signed first-round draft pick Ryan Kelly on Wednesday.

Taken with the 18th pick, Kelly is expected to be the starting center for quarterback Andrew Luck.

Terms of the deal were not immediately disclosed but first-round picks typically sign four-year deals with a fifth-year team option.

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The 6-foot-4, 313-pound Ohio native was a three-year starter at Alabama and part of two national championship teams. Kelly, last year's Rimington Award winner, was the only center selected in the first round.

The move comes two days before Indianapolis opens a three-day rookie minicamp at the team complex.

Indy has used five starting centers over the past four seasons, including Khaled Holmes, who was released Monday.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL