Possible Clues:

• ...but you can bet on the Americans
• Team whose logo features a bat in a hat
• Northern soldiers in the American Civil War
• Might they look back for a negative across the Atlantic?
• Union label?
• Give them a pull and see them up to the States
• They might return to look for the negative overseas
• Americans look for refusal, turning up
• Americans or northern states during civil war
• Northerners who've been pulled?