The 38-year-old Mercker was placed on the disabled list Saturday
after pitching a scoreless inning in relief Friday night in
Philadelphia. He was examined Monday by Timothy Kremchek, the Reds'
medical director, who scheduled surgery for Thursday. Mercker has
been on the disabled list three times this season because of elbow
Mercker is 1-1, with a 4.13 ERA and one save in 37 relief
appearances this season. He did not allow an earned run in his
final 12 appearances. He is in his third stint with the Reds and
has pitched for eight other teams, making his major league debut
with Atlanta in 1989.
Also Monday, Kremchek performed arthroscopic surgery on
left-hander Brandon Claussen's left shoulder. He went on the
disabled list June 17 after going 3-8 with a 6.19 ERA for the Reds.