American Express Co. introduced sports affinity credit cards with the New York Rangers and the New York Knicks.

When the card programs were announced in July, details were not disclosed.

The cards come with no annual fee and allow 20% discounts at Madison Square Garden's Play-By-Play restaurant and Club Bar and Grill; 25% off membership in both teams' children's fan clubs; discounts on selected events and merchandise offered through the MSG Fan Hot Line and TicketMaster; and discounts at the MSG Team Store.

The cards also offer sweepstakes opportunities and annual spending rewards. Cardholders can earn team paraphernalia, depending on spending levels.

An introductory interest rate of 7.9% jumps to the prime rate plus 9.9% after six months.

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