... the Denver Broncos made changes to their roster.  This time, they subtracted and added two players to their practice squad.

Joining the Broncos are running back Lance Ball and defensive lineman Carlton Powell.  Running back Darius Walker was waived from the team and defensive lineman Everette Pedescleaux was placed in injured reserve.

Ball is in his second year in the NFL out of Maryland, and he has spent time with Indianapolis, St. Louis, and Tennessee already. 

In his only NFL action thus far, he helped the Colts' offense in a 2008 regular season game when he carried the ball 13 times for 85 yards, as well as catching a pass for five yards.

Powell is in his second stint with the Broncos after having spent time on...

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