Possible Clues:

• Grapplers' org,
• Org. for pro heavyweights
• Sports org. for the Rock
• Smackdown org
• 'SmackDown!' org
• “SmackDown” org
• Royal Rumble grp
• TV's ___ Raw
• 'Monday Night Raw' sports org
• Former employer of Dwayne (The Rock) Johnson, for short