Brett Favre went on to have a Hall of Fame career in the NFL, but he needed a few years before he truly became attuned to the intricacies of reading opposing defenses.
Eleven Warriors' Zach Dunn shared video of Favre from a speech he gave at a 2016 coaching clinic explaining how he had to ask Green Bay Packers teammate Ty Detmer for explanations about certain different defensive sets, including nickel and dime packages. (Warning: video contains NSFW language):
Zach DunnBrett Favre on asking Ty Detmer what a Nickel Defense was.