Related Clues:

• Practice pugilism
• Jewelry holder
• Go a few rounds
• Part of HBO
• Engage in a smackdown
• Go a bout
• Shipping container
• Earn one's keep in the WWF
• Carton
• Jack's container
• Take on Holyfield
• Fight with fists
• Come to grips
• Engage in pugilism
• Go to the mat