February 2, 1981 (Monday)
- For the first time in PGA Tour history, there was a five way tie at the end of the scheduled rounds of golf, with Hale Irwin, Ben Crenshaw, Bobby Clampett, John Cook, and Barney Thompson all taking 209 strokes on 54 holes at the Bing Crosby National Pro-Am. Cook beat Irwin on the third extra hole and won the $40,500 prize, more than his entire earnings the year before.
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