In 2019, Joe Mauer's No. 7 will join this group of numbers retired by the Twins:
No. 3 Harmon Killebrew
No. 6 Tony Oliva
No. 10 Tom Kelly
No. 14 Kent Hrbek
No. 28 Bert Blyleven
No. 29 Rod Carew
No. 34 Kirby Puckett
No. 42 Jackie Robinson*
*-retired by all of MLB in 1997