Celebrate every towering blast from No. 29 with the Big Dumper Moonshot T-Shirt. Featuring a bold graphic of your favorite catcher letting the bat fly, this tee captures the swagger and power of Seattle’s slugging backstop. Printed on a comfortable navy shirt with Mariners-inspired teal and white artwork, it’s a must-have for fans who live for the long ball. Rep your squad in style and let everyone know—Big Dumper delivers moonshots.

This one-of-a-kind piece is a Simply Seattle Original, created to match the passionate spirit of Mariners fans. This t-shirt is designed in-house by the Simply Seattle team . You won’t find this anywhere else! Don't miss out—get your exclusive apparel today!