SCOTTSDALE, Ariz. -- A secret Santa left a $2,000 tip at a diner in Scottsdale, Arizona.The server said the customer quietly enjoyed his breakfast order. Then, he added the massive tip to his $17 tab.The anonymous diner had one request. He wrote on the receipt: "Please split with the whole staff. Merry Christmas!"Everyone working at the time got $200. The server received $400.