US Open Tennis Koz: To Nick On His 84th Birthday Written By: Dave "The Koz" Kozlowski Published: Sep 16, 2015 Updated: Sep 16, 2015 | Share | Facebook 𝕏 | Twitter | RedditThe Koz Celebrates Nick Bollettieri’s 84th B’day | Share | Facebook 𝕏 | Twitter | RedditAbout the AuthorDave "The Koz" Kozlowski