Dedicated to Football Cards Research & Selling Tips, today we look at my top 5 Must-own backup sleeper QBs rookie cards. Part of the NoOffseason.com Sports Card Network. Ignite your learning curve and take advantage of the everything the football card Quest has to offer you: https://footballcardquest.com - keepem webapp, Discord benefits, giveaways, eBay auction sniper articles, bonus videos, and MORE!