Add to your MLB collection with this Jordan Walker St. Louis Cardinals 2023 Topps Now Youngest Cardinals Player Since 1972 W/ A 4-Hit Game #787 CGC Authenticated Pristine 10 Rookie Card. Graded 10 and authenticated, this card is the perfect way to celebrate the career and accomplishments of the St. Louis Cardinals star. Along with an eye-catching design, it's encapsulated in a tamper-evident case for a lasting display of your Jordan Walker fandom.