Vicious Saddle

Vicious Saddle is rewarded from continually filling the rated PVP bar to 100% while at Combatant level (1400+), after the seasonal mount has been earned. Additional saddles are rewarded from completing the Veteran of the Alliance/Veteran of the Horde series of achievements.

As currency
The saddle may be traded in to in the Old Town of Stormwind City, or to  in Orgrimmar for a mount of your choice. The mounts were made account-wide in 7.2, and any opposite faction characters also have access to the following purchases:

Both:
 * Vicious War Bear
 * Vicious War Turtle
 * Vicious War Fox