Indianapolis Colts quarterback Philip Rivers (17) drops back to pass during practice at the Colts training facility in Indianapolis on Wednesday. Mykal McEldowney/IndyStar/USA TODAY NETWORK/Imagn

The Indianapolis Colts announced Saturday that Philip Rivers has been signed to the team’s 53-man active roster ahead of a Sunday showdown against the Seattle Seahawks.

The 44-year-old Rivers joined the Colts’ practice squad earlier in the week following a season-ending injury to starting quarterback Daniel Jones.

Multiple NFL insiders are reporting that Rivers will start the game under center for Indianapolis, but the Colts are playing it close to the vest for now.

“Our team won’t officially announce a starter before kickoff tomorrow,” Colts spokesman Matt Conti told CNN on Saturday.

Riv

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