This ballpark is used by the San Diego Padres and Seattle Mariners for spring training as well as their minor league teams. Irwin Seating Company has installed more than 6,000 Senator chairs at this gorgeous stadium. Some of the chairs are installed with re-directed standards for improved sightlines. The seating also features screen-printed logo plates on the aisle end standards and rear mount cupholders. Premium locations are provided with our No. 12 upholstered seat.