The Hall of Fame case for Tony Oliva, one more time – Twins Time
Joe was the rock': Twins retire Mauer's No. 7 in Target Field ceremony
A number of nuggets about retired numbers around the Major League
A full and grateful heart': Joe Mauer announces retirement from baseball - The Athletic
Minnesota Twins to honor Jim Kaat, retire Hall of Fame pitcher's No. 36 uniform - ESPN
Comprehensive Ranking of Every Twins Jersey - Musings from Twins Territory - Twins Daily
Twins' all-time retired numbers
How many former Lakers players have had their numbers retired? Complete list - AS USA
Joe Mauer Makes His First Hall of Fame Entrance - Twins - Twins Daily
Twins' all-time retired numbers
Why don't the Miami Marlins have any retired numbers?
Minnesota Twins, History & Notable Players