If confirmed, the deal would see T-Mobile add its name to its hometown baseball field. T - Mobile is reportedly set to join insurance company Safeco as a top - tier sponsor of Major League Baseball ( MLB ) , and will take the naming rights to the Seattle Mariners ’ Safeco Field . Reports indicate that the mobile network will pay $ 3 million a year under the terms of the deal , the amount and total value of which are yet to be officially disclosed .
T - Mobile is reportedly set to join insurance company Safeco as a top - tier sponsor of Major League Baseball ( MLB ) , and will take the naming rights to the Seattle Mariners ’ Safeco Field . Reports indicate that the mobile network will pay $ 3 million a year under the terms of the deal , the amount and total value of which are yet to be officially disclosed .