Sal Frelick 2021 Panini Contenders Auto Rookie Rc /25 is a baseball sports trading card featuring an autograph by Sal Frelick of the Milwaukee Brewers. This original card from 2021 has a print run of 25 and is a part of the Optic parallel/variety. Authenticated by Panini Authentic, it is a serial numbered rookie card with a label or sticker autograph format.