Attend a special Baseball Prospects Seminar Saturday at 3:00 PM at the show with renowned prospects expert Bobby Mintz of TRISTAR. Mintz is a leading authority on baseball prospects and their potential, and through his rookie card seminars, Mintz has educated many over the years on the do's and don'ts of rookie card collecting. Mintz has been heard nationally on more than 200 radio stations across the country, and currently Mintz co-hosts a bi-weekly sports collectibles radio show in Houston on ESPN 790 AM with TRISTAR president Jeff Rosenberg.