'Tom Sestak ranks at the top because he was a 17th-round pick in 1962 who went on to become one of the finest defensive linemen in Bills history, and some would say, pro football history. Seventeenth round — that’s 2½ modern-day drafts. Yet Sestak anchored the AFL’s best defense in the mid-60s and helped lead the Bills to back-to-back championships in 1964-65.'