The Indianapolis Colts placed running backs Vick Ballard and Deji Karim on injured reserve as well as offensive tackle Ulrick John.
They also placed fullback Stanley Havili on the reserve physically unable to perform list.
The Colts have reached the 75-man roster limit.
Ballard rushed 224 times for 877 yards and two touchdowns, while catching 18 passes for 147 yards and a touchdown over the past two seasons.
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.
NOV 20 Joel Corry
A detailed look at the eight candidates vying for that unique honor.
NOV 18 Dion Caputi
Cleveland quarterback Brian Hoyer has overcome long odds to put his team in contention for a playoff berth.
NOV 13 Joel Corry
10 players who are delivering big returns for their respective franchises.