The Colts are set to sign tackle Jared Veldheer to the practice squad, as NFL.com’s Tom Pelissero tweets. Veldheer will likely be elevated to the varsity squad between now and Sunday to help fill the void for Anthony Castonzo. 
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Veldheer, 33, spent some time with the Packers late last year and even started in a playoff game. After that, he retired for the second time in his career. Now, he’s making yet another return with yet another opportunity for postseason action.
With the season on the brink, the Colts are left paper thin at left tackle. Veteran Will Holden, who started against the Steelers, has an ankle injury of his own that will keep him out this weekend. The Colts may turn to Chaz Green, but the right tackle hasn’t performed well on the opposite side. On short notice, Veldheer could see snaps against the Jaguars.
Another option as the Colts shuffle the front five: All-Pro left guard Quenton Nelson. Nelson does his best work on the interior, but he’s also played some LT in emergency spots.