Locked On NBA Big Board host Leif Thulin is the Ogden Raptors Play-by-Play voice and a Utah Jazz Broadcast Assistant employed by David Lock. He’s also an ESPN700 producer and aspiring broadcaster with a passion for basketball. He also a college basketball podcast host (The College Hoops Hive). Leif is a 3x state tennis champion and NBA Draft Scout. Listen to Leif daily on the Locked On Podcast Network. Your Team. Every Day.