Through 12.2 IP this season, this relief pitcher now sports the following line:

17 K, 0 BB, 0 HR, 7 H

In 2007-2008, he put up a collective ERA of 1.96, with a 2.24 K/BB rate and a 0.42 HR/9 IP rate in 147 appearances.

A burned-out starting pitcher with a good curveball but little juice on his fastball, he's been reborn as a reliever.

His ERA+ numbers since 2003 (including this season):

30
88
103
112
206
239
613

Who is this masked man? And why do I only own him in one of my leagues?