By Brian Madden

DENVER (CBS4) – A lot can been learned from a fan-oriented “chalk talk” presentation. Especially when the local starting quarterback is the drawing up the X’s and O’s.

Case Keenum explained the so-called Minneapolis Miracle to a select group of Broncos fans Wednesday night.

Case Keenum celebrates as he walks off the field after the Vikings defeated the New Orleans Saints 29-24 to win the NFC divisional round playoff game on Jan. 14 in Minneapolis. (credit: Jamie Squire/Getty Images)

The play catapulted Keenum’s former team, the Minnesota Vikings, to last season’s NFC Championship Game. That infamous play known as Gun Buffalo Right Key Left 7 Heaven, as Keenum explains, is memorable for him and Vikings fans.