"Baby Jay"@en . . "B.J. Penn"@en . "The Prodigy,"@en . "1978Z"^^ . "Mixed-martial artist" . . . . "1.7526"^^ . . "Jay Dee \"B.J.\" Penn (born December 13, 1978) is a retired American professional mixed martial artist and Brazilian Jiu-Jitsu practitioner. Penn debuted and competed in the Ultimate Fighting Championship (UFC), and later in K-1. Prior to fighting for the UFC, he became the first American Gold medalist of the World Jiu-Jitsu Championship. In mixed martial arts, Penn has competed in the Featherweight, Lightweight, Welterweight, Middleweight, and Heavyweight divisions."@en . "1978-12-13Z"^^ . . "Penn, B.J."@en . .