The Buffalo Bills signed linebacker Ty Powell off the New York Giants' practice squad.
He's a former Seattle Seahawks seventh-round draft pick.
They also promoted cornerback Brandon Smith from the practice squad.
Linebacker Marcus Dowtin and cornerback Johnny Adams were released.
Quarterback Dennis Dixon, a former Pittsburgh Steelers, Baltimore Ravens and Philadelphia Eagles backup, was signed to the practice squad.
Follow me on Twitter: @RavensInsider
Aaron WIlson covers the Ravens for The Baltimore Sun.
Check out our partners at TiqIQ for the best deals on all games on the 2014 NFL schedule.
SEP 17 Jesse Lawrence
Jesse Lawrence of TiqIQ takes a look at the hot tickets this weekend.
SEP 16 Joel Corry
After registering 19 sacks in 2013, the St. Louis pass rusher cashes in big.
SEP 16 Jeff Fedotin
First-place squad could start 5-0.