Source: Colts make Ryan Kelly NFL's highest-paid center

The Indianapolis Colts are signing former 2016 first-round pick Ryan Kelly to a 4-year, $50 million extension that includes $34 million guaranteed, a source tells ESPN's Adam Schefter.

The team announced that Kelly had signed on extension in a news release on Thursday.

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The deal makes Kelly the highest-paid center in the league and ties him to Indianapolis for the next five seasons