Product Placement Blog ➞ ChampionChampion Polo Shirt Worn by Jason Alexander as George Costanza in Seinfeld Season 9 Episode 1 “The Butter Shave” (1997)December 14, 2019 Sergey TV Show Hi! On Saturday, December 14, I analyzed a TV Show and product placement was spotted: Champion Polo Shirt Worn by Jason Alexander as George Costanza in Seinfeld Season 9 Episode 1 “The Butter Shave” (1997).Here are 2 image(s) below: