While Jordan Belfort was in prison for securities fraud, he began writing the book that would become Martin Scorsese's Oscar-nominated movie. This story first appeared in the March 7 issue of The Hollywood Reporter magazine.
Freebase(0.00 / 0 votes)Rate this definition: In baseball, the bullpen is the area where relief pitchers warm-up before entering a game. Depending on the ballpark, it may be situated in foul territory along the baselines or just beyond the outfield fence.
It's probably the oldest defensive stat in baseball (along with assist). If you're the one that caught the ball, tagged the player or based you've recorded a putout. Look at all the defensive records and you'll see a column called out as PO. Putout - BR Bullpen. Putout. Putouts and Assists.