Black circle with GJN in white letters, worn on the right sleeve of all A's jerseys during 2012 Playoffs. Memorial Patch for Gehrig John Neshek, infant son of Oakland A's pitcher Pat Neshek
First worn Saturday, October 6, 2012
Added here on October 11, 2012
1993 - Pres
1995 - Pres
1993 - Pres
1993 - Pres
1993 - Pres
1994 - Pres
2011 - Pres
1993 - Pres
1994 - Pres
2011 - Pres
2011 - Pres
2001 - Pres
2001 - Pres
2011 - Pres
2011 - Pres
2011 - Pres
2012
1901
1902 - 1919
1920
1921 - 1923
1924 - 1927
1928 - 1939
1940 - 1953
1954
1955 - 1962
1963 - 1967
1968 - 1982
1983 - 1992
1993 - Pres