I take a first look at the new Box Plus-Minus on Basketball-Reference that goes back to 1974, including an all-time top-10 list based on playoff BPM. What kind of player does the model love? What are the improvements from the old 1.0 on the site? And can the emerging Jayson Tatum unseat Giannis Antetokoumnpo in his quest to do something no one has ever done? Support at www.patreon.com/thinkingbasketball