Doonesbury by Garry Trudeau for July 10, 1971
July 09, 1971
July 11, 1971
Transcript:
Mark: You know, you guys are never going to get anywhere until you educate yourselves about the revolution. I mean, I'll bet neither of you have ever even heard of Marx! Co-worker #1: Marks? Yeah, I heard of him. Used to play for the Cubs. Co-worker #2: Ralph Marks? Co-worker #1: No, Hank Marks. Ralph was with the Pirates...no, the Mets!
Ralph and Hank Marks are fictional; there never were any players named Marks according to this website:
http://www.baseball-almanac.com/players/ballplayer.shtml