I wrote late last night about Sean Jensen's report that the Bears were expected to promote running back Armando Allen from the practice squad to the 53-man roster, before Sunday's game against the Colts. And today, the Bears indeed put Allen on the 53-man roster.

The Bears also terminated the contract of running back Lorenzo Booker, and waived linebacker Patrick Trahan.

Booker suffered a concussion in the preseason finale against the Browns, and was listed as "questionable" for Sunday against the Colts. However, even with his "questionable" status, most around the team considered the 28-year-old very unlikely to suit up for the game, as he sat out practice all week.

Trahan, who made one tackle over five games with the Bears in 2011, was unlikely to stick much longer on the roster, unless the Bears really, really liked what he brings to the table on special teams. The Bears still have six linebackers on the roster, in Brian Urlacher, Lance Briggs, Nick Roach, Geno Hayes, Blake Costanzo, and J.T. Thomas.

The Bears' roster now stands at 52 players, and Brad Biggs suggests that the Bears could use the last roster spot for defensive tackle Nate Collins, who is eligible to come off the suspension list on Monday.

UPDATE: Zach Zaidman tweets that Booker was placed on injured reserve. Hopefully the head trauma Booker suffered isn't too severe.

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