Daniel Herrera (elbow) expects to be ready to pitch in games by May.
Adam Rubin of ESPNNewYork.com reports that Daniel Herrera needs Tommy John surgery on his pitching elbow.
Mets manager Terry Collins said Josh Edgin will be demoted on Monday, which means Daniel Herrera is likely to make the Mets' Opening Day roster.
Adam Rubin of ESPNNewYork.com was told by "organizational sources" that left-hander Daniel Herrera is likely to make the Mets' Opening Day roster.
Mets sent LHP Daniel Herrera outright to Triple-A Buffalo.
Daniel Herrera has cleared waivers.
The Mets have placed Daniel Herrera on waivers.
Mets acquired LHP Daniel Herrera and RHP Adrian Rosario from the Brewers to complete July's Francisco Rodriguez trade.
Brewers sent LHP Daniel Ray Herrera outright to Triple-A Nashville.
Brewers designated LHP Daniel Ray Herrera for assignment.
Brewers recalled LHP Daniel Ray Herrera from Triple-A Nashville.
Brewers claimed LHP Danny Herrera off waivers from Reds; optioned him to Triple-A Nashville.
Reds reliever Danny Herrera was claimed off waivers, according to John Fay of the Cincinnati Enquirer.
Reds optioned LHP Danny Herrera to Triple-A Louisville.