Many people believe that the person on the logo is Harmon Killebrew, but the logo is not designed after any one player. This has been confirmed by Jerry Dior, who designed the logo in 1968.
Update:MLB recognized Jerry Dior as the MLB logo's original designer, said Commissioner Bud Selig in a release. With the recognition comes the answer to ? that has puzzled: which player is the silhouette based? "People said my design was based on Harmon Killibrew, but it wasn't," said Dior. "Mine wasn't based on anyone--just nondescript figure with a bat." "I didn't model it after any one player," Dior said. "It was intentionally ambiguous in every way, including righty vs. lefty." Original:1969The silhouetted batter MLB logo was first used in 1969, but was more established in 1970. From 1970 on, all officially licensed major League Baseball items have the MLB logo.The silhouetted batter on the MLB logo is Harmon Killebrew.
Update: MLB is Major League Baseball. The logo details: MLB recognized Jerry Dior as the MLB logo's original designer, said Commissioner Bud Selig in a release. With the recognition comes the answer to ? that has puzzled: which player is the silhouette based? "People said my design was based on Harmon Killibrew, but it wasn't," said Dior. "Mine wasn't based on anyone--just nondescript figure with a bat." "I didn't model it after any one player," Dior said. "It was intentionally ambiguous in every way, including righty vs. lefty." Original: MLB
Seattle Mariners.
No.
Update: MLB recognized Jerry Dior as the MLB logo's original designer, said Commissioner Bud Selig in a release. With the recognition comes the answer to ? that has puzzled: which player is the silhouette based? "People said my design was based on Harmon Killibrew, but it wasn't," said Dior. "Mine wasn't based on anyone--just nondescript figure with a bat." "I didn't model it after any one player," Dior said. "It was intentionally ambiguous in every way, including righty vs. lefty." Original: Harmon Killebrew
Texas Rangers, MLB Baseball
it's a silouette of Harry Hooper
Yes, their logo was once a boy and a girl (aka Phil and Phyllis).
Update:MLB recognized Jerry Dior as the MLB logo's original designer, said Commissioner Bud Selig in a release. With the recognition comes the answer to ? that has puzzled: which player is the silhouette based? "People said my design was based on Harmon Killibrew [and not Rod Carew], but it wasn't," said Dior. "Mine wasn't based on anyone--just nondescript figure with a bat." "I didn't model it after any one player," Dior said. "It was intentionally ambiguous in every way, including righty vs. lefty."Original Answers:Rod CarewAnswerHarmon Killebrew
The MLB
I think it is the New York Yankees