https://www.wearegreenbay.com/sports/sports-illustrated/62f04daf/mattress-mack-places-2-million-bet-on-cowboys-49ers-game/#:~:text=Mack%20reportedly%20bet%20over%20%242,to%20the%20conference%20championship%20game.
https://www.wearegreenbay.com/sports/sports-illustrated/62f04daf/mattress-mack-places-2-million-bet-on-cowboys-49ers-game/#:~:text=Mack%20reportedly%20bet%20over%20%242,to%20the%20conference%20championship%20game.
Another source --- https://www.reviewjournal.com/sports/betting/mattress-mack-wagers-2m-on-cowboys-49ers-playoff-game-2715267/?utm_campaign=widget&utm_medium=most_read&utm_source=lvrj