This term relates to the feeling of complete and total relaxation one receives when playing in center field on a baseball team. In center field, one is the farthest away from the diamond, allowing for total isolation.
Coach: What is Roger doing out there? He looks like he's meditating!
Steve: Oh, don't worry Coach. He's going under Zenterfield.
A left wing in the NHL. Plays for the Detroit Red Wings. Wears #40. Was the Wings 2nd leading scorer in the 06 season with a total of 85 points in 77 games which he played in.