The 54-year-old Miller, who won the 1973 U.S. Open and the British Open in 1976, said he had considered trying the Senior Tour.
'My back says no,' he said.
Miller won 24 titles overall and played on two U.S. Ryder Cup teams. He was elected to the PGA Hall of Fame in 1996.
Terms or length of the contract were not disclosed.
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