Chad Durbin sports a hideous 10.38 ERA in May.
Nate Jones has been blasted this season to the tune of a 6.33 ERA over 21 1/3 innings.
George Kontos has allowed six runs on 11 hits and two walks in his last three appearances.
James Russell has emerged as one of the Cubs' few bright spots in 2013, checking in with a 1.04 ERA and 0.87 WHIP in 23 appearances.
Edwar Cabrera (left shoulder impingement) threw a 45-pitch bullpen session last month.
Aaron Loup has been a bright spot in Toronto's bullpen, tallying a 2.55 ERA and 1.18 WHIP over 24 2/3 innings.
Brandon Lyon is enjoying his first season in Queens, recording a 3.06 ERA through 21 appearances.
Ronald Belisario sits on a 3.22 ERA through 23 appearances.