70s Pittsburgh Pirates 1979 World Champions Jersey T-ShirtVintage 70s Pittsburgh Pirates 1979 World Champions Jersey T Shirt by Artex 1979 was the fifth and most recent title for the proud Pittsburgh Pirates. At age 39, Willie Stargell continued his great season into the post season and earned the World Series MVP as the Pirates defeated the Baltimore Orioles in seven games after trailing three games to one. Stargell tied the record set two years prior by Reggie Jackson with 25 total bases in the series.