White Sox signed RHP Jeff Gray to a minor league contract.
Twins sent RHP Jeff Gray outright to Triple-A Rochester.
Twins claimed RHP Jeff Gray off waivers from the Mariners.
Jeff Gray picked up his first career save, tossing 1 2/3 shutout innings in the second game of Tuesday's doubleheader.
Mariners claimed RHP Jeff Gray off waivers from the White Sox.
White Sox designated RHP Jeff Gray for assignment.
White Sox purchased the contract of RHP Jeff Gray from Triple-A Charlotte.
Cubs sent RHP Jeff Gray outright to Triple-A Iowa.
Cubs optioned RHP Jeff Gray to Triple-A Iowa.
Cubs recalled RHP Jeff Gray from Triple-A Iowa.
Jeff Gray (groin) threw 30 pitches off a mound on Friday.
Cubs acquired RHP Jeff Gray, RHP Ronny Morla and INF/OF Matt Spencer from the Athletics for 3B Jake Fox, 2B Aaron Miles and cash.
A's recalled RHP Jeff Gray from Triple-A Sacramento.