Jack Nicklaus reading his putt during the 51st Senior PGA Championship held at the PGA National Golf Club in Palm Beach Gardens, Florida. April 12-15, 1990. (photograph by The PGA of America). [Getty Images]

UNITED STATES - OCTOBER 24: Jack Nicklaus reading his putt during the 51st Senior PGA Championship held at the PGA National Golf Club in Palm Beach Gardens, Florida. April 12-15, 1990. (photograph by The PGA of America). (Photo by Jeff McBride/PGA of America via Getty Images)