Sports Card Sell Alert! Kumar Rocker Called Up; NFL Week 2 Top Performers

A couple months ago, we reported on Rangers RHP Kumar Rocker’s Bowman Chrome 1st cards as solid buys due to his rise in the minors and potential call-up in September. Sure enough, our very own Lefty McKee nailed this one, as Rocker got the call-up recently to make his MLB debut, and his cards rose…