Sports Red Sox closer Craig Kimbrel was tipping his pitches. Eric Gagne let Boston know. October 21, 2018October 21, 2018Bob Nightengale, USA TODAYComments Off on Red Sox closer Craig Kimbrel was tipping his pitches. Eric Gagne let Boston know. Boston manager Alex Cora learned from an old friend that his closer was tipping pitches early in the postseason.