Arbitrated at Shea: Slang

• Called "Out," say
• Was an expert on diamonds
• Worked at home
• Called a strike, say
• Worked from home?
• Refereed, shortly
• Called a ballgame
• Called on the field
• Helped out at a T-ball game, perhaps

Wiktionary Word definitions in Wiktionary
vb. (en-past of: ump)