Follow us on bonanza.com ADD US TO YOUR SAVED SELLERS LIST! Nike Golf Boston Celtics Mens embroidered polo shirt. Sizes Extra Small to 4XL. Tall sizes available in LT to 4XLT. Buy with confidence. We are a trusted seller for over 20 years. See our other listings. All shirts purchased will be sewn similar to shirts pictured. The franchise's 17 championships are the most of any NBA team, and account for 24.3 percent of all NBA championships since the league's founding in 1946. As a percentage of championships won, the Celtics are the most successful franchise to date in the major four traditional North American professional sports leagues. Their mascot 'Lucky the Leprechaun' is a nod to the team's Irish heritage and to Boston's historically large Irish population. Please email any questions before purchasing. Thanks very much for looking!! We also urge you to please subscribe to our store. There are times when we are told that our listings are not visible to non-subscribers. New items are always being added, so keep watching!