Amex offers: Giftcards.Nike.com, Olive Garden, Macy’s

Amex Offers via http://www.amexoffers.com/ is offering select American Express Cardholders the following offers:
Giftcards.Nike.com Spend $50 or more, get $10 back
Macy’s Spend $100 or more, get $15 back
Olive Garden Spend $40 or more, get $10 back