This official MLB baseball has been personally autographed by Cal Raleigh catcher for the Seattle Mariners. The ball includes his inscription ?ǣBIG DUMPER?ǥ alongside the signature. It comes with a Fanatics Authentic Certificate of Authenticity guaranteeing verification of the autograph. The baseball is displayed in a UV protected case to help preserve both the signature and the ball. A collectible piece honoring one of the Mariners most popular players.