The Seattle Mariners are a professional baseball club headquartered in Seattle, Washington, United States. The Mariners were founded in 1977 and play in Major League Baseball's American League's Western Division. Since July 1999, the Mariners' home field has been Safeco Field, renamed T-Mobile Park. The Kingdome served as the club's home stadium from its founding in 1977 until June 1999. If you're shopping for a jersey for a great Seattle Mariners player or a customised Seattle Mariners jersey, Fitnezzi has it all. Once the new Seattle Mariners players are chosen, be ready for all the action throughout the year. Fitnezzi is the finest option for flat-rate delivery and frequent savings on Seattle Mariners clothes and accessories throughout the season. Fitnezzi has the most up-to-date Seattle Mariners gifts and accessories, as well as plenty of other Seattle Mariners products.