#CardSTOCK is an ongoing series created by Baseball Cards Daily’s Chris Steuber that details the hobby value of baseball players based on their popularity and performance . You can check out all past editions of #CardSTOCK here. You can catch Chris’s podcast ‘Baseball Cards Daily’ for free on itunes and Google Play.
This time around we’re highlighting six players who have stepped their game up in a huge way in 2018. Whether it be an immediate impact upon their big league debut, posting career highs at the plate, or helping carry their team to the postseason, these players have turned on the jets this season. As a result, their most coveted prospect and rookie cards have seen substantial growth. Who should you invest in? Check out their cardstock and decide which of these players has room for the most growth both professionally and in the world of cardboard!