The Cubs have a Top 4 Bullpen in MLB! 🔥 Cubs Bullpen by ERA: Chris Flexen - 0.00 Drew Pomeranz - 0.00 Daniel Palencia - 1.73 Caleb Thielbar - 1.75 Brad Keller - 2.16 Ryan Brasier - 2.25 Genesis Cabrera - 2.84 Ryan Pressly - 3.54