Edgin, who made 34 appearances with the Mets each of the past two seasons, was upset by the decision -- "He should be," manager Terry Collins said -- but the Mets aren't comfortable with his diminished velocity: 95 mph two years ago to 92 mph this spring.
The decrease, Collins acknowledged, might be attributable to Edgin's trying to develop a changeup for right-handed hitters, saying it could be a case of "use it or you lose it."
Otherwise, the club seems stumped by the loss of miles per hour.
"He dominated left-handed hitters two years ago," Collins said. "It's best if he goes down and gets his confidence back."
Marty Noble is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.