“Why did the golfer wear two pairs of pants?” (joke)

A corny old golf joke goes:
 
Q: Why did the golfer wear two pairs of pants?
A: In case he got a hole in one.
 
The joke has been cited in print since at least 1946.
     
 
21 June 1946, Bowie (TX) News, “Casting About” by Trout, pg. 1, col. 1:
H. M. Moore is a cautious golfer. He wears two pairs of pants — just in case he gets a hole in one.
 
10 September 1950, The Times-Picayune (New Orleans, LA), “Golf” by Everett Dane and Bitty Benedict, sec. 6, pg. 5, col. 2:
Did you ever hear the story about the golfer who brought two pairs of pants on the course with him? Why? Because he thought he might get a hole-in-one.
 
Google Books
March 1960, Boys’ Life, “Think and Grin,” pg. 78, col. 2:
Moe: Why did the golfer wear two pair of pants to the golf course?
Joe: 1 don’t know, why?
Moe: In case he got a hole in one. — Leonard Romeo, Canadensis, Pa.
 
31 January 1964, Lexington (KY) Herald, “Pressbox Pickups” by Billy Thompson, pg. 8, col. 5:
Ray (Hornback—ed.) is also a pretty fair golfer (he says!) and added that he always wears two pairs of pants when he plays golf. “Just in case I get a hole in one,” he explains.
 
11 August 1966, Boston (MA) Record American, “A Cookout Potpourri” by Bruce McCabe, pg. 21, col. 4:
A golfer I know always wears two pairs of pants—in case he gets a hole in one.
 
Google News Archive
11 November 1971, Ocala (FL) Star-Banner, “Today’s Chuckle,” pg. 1A, col. 5:
Once there was a chap who always wore two pairs of pants when he played golf—in case he got a hole-in-one.
 
Google News Archive
18 November 1983, The Deseret News (Salt Lake City, UT), “Utah girls a big hit with Carson” by Lee Davidson, pg. 4W, col. 4:
Miss Weston asked, “Why did the golfer wear two pairs of pants? In case he got a hole in one.”
 
Google Books
The World’s Best Sports Riddles and Jokes
By Joseph Rosenbloom
New York, NY: Sterling Publishing Company
1988
Pg. 27:
Why did the golfer wear two pairs of pants?
In case he got a hole in one.
 
Google Books
God Loves Golfers Best:
The Best Jokes, Quotes, and Cartoons for Golfers
By Ray Foley
Naperville, IL: Sourcebooks, Inc.
2009
Pg. 10:
Why did the golfer take an extra pair of pants when he went out on the golf course?
Just in case he got a hole in one.