Yahoo! Movies has posted the second full-length trailer for Rocky Balboa starring Sylvester Stallone, which arrives in theatres on December 22.

CLICK HERE to view the trailer in various formats including high-definition!

Rocky Balboa is the next story in the saga of Philadelphia boxer Rocky Balboa, one of Hollywood's most beloved characters. In the film, Rocky has long since retired but is drawn back to the boxing ring one last time. On the way he is challenged by a powerful new champion, by personal tragedy and ultimately by himself.

New Rocky Balboa Trailer Online