Related Clues:

• Ref's diamond counterpart
• You could be safe with him
• Dispute settler
• Gridiron 'zebra'
• Zebra on the gridiron
• Guy who cries foul
• He may call a strike
• TKO declarer
• His chest is protected at home
• Diamond worker?
• TKO caller
• One who may be found at home
• He keeps a clean plate
• NBA employee
• Ump's kin