Dave Duncan, one of the game's most respected pitching coaches, is taking a leave of absence from the St. Louis Cardinals, general manager John Mozeliak said Thursday night.
Duncan, 66, is leaving the team so he can be with his wife, Jeanine, who underwent surgery to remove a brain tumor on Aug. 21, sources said.
"As far as how long he'll be gone, no one knows," Mozeliak said.
The Cardinals intend to make a formal announcement Friday and leave open the possibility that Duncan can return to the organization at a later time.
Duncan missed more than a month after his wife's surgery last season, but rejoined the team for the final day of the regular season and remained with the club through the Cardinals' march to the World Series title.
Bullpen coach Derek Lilliquist served as pitching coach during Duncan's absence. It is not known whether he will become pitching coach under new manager Mike Matheny.
Duncan worked alongside manager Tony La Russa for 28 seasons with three differen...