St. Patrick's Day: the timeless annual tradition whereby Americans of all backgrounds and ethnicities don green gear and swill green beer to honor their non-existent Irish heritage. 'Tis also the season for capitalizing on themed merchandise, and no one knows the art of exploitative commemoration better than pro sports teams. The Knicks look to be the early front-runners in the race for most creative St. Patty shilling with these Jeremy O'Lin shirseys. Remember, if you plan on drinking irresponsibly this March 17th, bring along a designated shopper to avoid waking up with a verdant new wardrobe even stranger than your bedfellow.