Mookie Wilson

From Muppet Wiki

William Hayward "Mookie" Wilson (b. 1956) is a former Major League Baseball center fielder who played with the New York Mets (1980–89) and Toronto Blue Jays (1989–91). Fans would frequently chant "Mooooo-kie" in appreciation of him, and he remains regarded with special affection by Mets fans.

Wilson appeared in the Sesame Street, Special where he sang in a Celebrity version of "Put Down the Duckie" with Keith Hernandez. He also appeared in Season 19 with Keith where the duo play Baseball with The Count.