“Golfer: The doctor says I can’t play golf. Caddy: Oh, he’s played with with you, too?”

A golf joke has been cited in various forms since at least 1906 and 1916:
   
Golfer: The doctor says I can’t play golf.
Caddy: Oh, he’s played with with you, too?

 
     
Chronicling America
28 October 1906, Los Angeles (CA) Herald, “Pi-Lines and Pick-Ups,” pg. 4, col. 7:
Poppy—The doctor says I can’t play golf.
Magnolia—I could have told you that.
   
Chronicling America
11 August 1916, Ogden (UT) Standard, pg. 5, col. 6:
FOOLISH EXPENSE
Topping—The Doctor says I can’t play golf.
Brassie—You didn’t pay him a fee for that?—Boston Transcript.
   
Google Books
101 Great Golf Jokes and Stories
By Stan McDougal
New York, NY: Citadel Press
1968
Pg. 52:
“Why so sad?”
“Doctor says I can’t play golf.”
“He’s played with you, too?”
   
Google Books
Best Ever Book of Good Clean Jokes
By Bob Phillips  
Edison, NJ: Galahad Books
1998
Pg. 102:
Golfer: The doctor says I can’t play golf.
Caddy: Ah, he’s played with you, too, huh?
 
Google Books
The Gigantic Book of Golf Quotations
Edited by Jim Apfelbaum
New York, NY: Skyhorse Publishing, Inc.
2007
Pg. 579:
Golfer: The doctor says I can’t play golf.
Caddie: Oh, he’s played with you, too, huh?
— ANONYMOUS
 
Twitter
CalgaryConstructAssn
@CCAbuildsYYC
Golfer: The doctor says I can’t play golf.
Caddie: Oh, he’s played with with you, too, eh?
#golf 😉 ⛳️
2:01 PM - 12 Apr 2018