Bill Madden: Yankee legend Don Mattingly's latest challenge is coaching up the rival Blue Jays, National Sports
Don Mattingly - Wikipedia
Don Mattingly named advisor to Nashville Stars baseball group
Donnie Baseball era dawns: Mattingly takes Marlins' reins – Sun Sentinel
Toronto Blue Jays hire Don Mattingly as bench coach - ESPN
Report: Blue Jays in talks with Don Mattingly to join coaching staff
Don_Mattingly
Blue Jays expected to hire Don Mattingly as bench coach: report
Don Mattingly: Blue Jays Bench Coach