|'I'm being sent where?' (Getty Images)|
This season, Zambrano in 115.0 innings has an ERA of 4.54, which, on a park-adjusted basis, is about 10% worse than the league average. Zambrano also spent time in the bullpen back in 2010, when he was with the Cubs.
As for LeBlanc, the 27-year-old lefty has a 1.15 ERA in 15.2 relief innings since being recalled from Triple-A New Orleans at the beginning of the month. LeBlanc worked regularly as a starter at the major- and minor-league levels while in the Padre organization from 2006-11. As a starting pitcher in the majors, he has a career ERA of 4.47 in 287.2 innings.