Oakland A's DH Adam Dunn retires after 14 seasonsOakland A's DH Adam Dunn is hanging up his cleats after having never played in a postseason game in his 14-year career.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceOakland A's DH Adam Dunn is hanging up his cleats after having never played in a postseason game in his 14-year career.Loading recommendations... Please wait while we load personalized content recommendationsPublished Oct 1, 2014 | Modified Oct 1, 2014SI STAFFShare on FacebookShare on XHome/MLB