Sources: Colts sign free agent left tackle Eric Fisher

INDIANAPOLIS — The Colts have finally found Anthony Castonzo's replacement at left tackle.

Indianapolis is signing long-time Kansas City Chiefs tackle Eric Fisher to a one-year deal worth up to $9.4 million, multiple sources with knowledge of the situation confirmed to IndyStar on Monday, taking a gamble that Fisher will be able to recover from the torn Achilles tendon he suffered in the AFC Championship Game in January.

Fisher, 30, was released in March by the Chiefs, who then made a blockbuster trade with Baltimore to get Orlando Brown at left tackle, in large part because of Fisher's injury. A two-time Pro Bowl left tackle who was taken No. 1 overall in the 2013 NFL draft, Fisher is still…