Diamondbacks’ Secret Weapon : Left-Handed Relief Pitching

Andrew Saalfrank in the dugout.Compared to the Diamondbacks, this season the Cubs scored more runs per game and allowed less runs per game. And yet the Diamondbacks won 6 of 7 games against the Cubs. The Diamondbacks had a secret weapon. Left-handed relief pitching. Compared to Cubs left-handed relievers, the Diamondbacks’ left-handed relief pitchers had a better ERA (4.46 vs 5.28) and a better FIP (3.78 vs 4.24).

Let’s look at the left-handed pitchers in the Diamondback’s bullpen.

What are the ERAs and FIPs for the left-handed bullpen pitchers?

Compared to the Diamondbacks right-handed relief pitchers, this season the left handed relief pitchers had a better average ERA (4.46 vs 4.51) and FIP…