1970 – The Cleveland Indians and Seattle Pilots play an exhibition game with the experimental X-5 ball, which is reported to be five per cent livelier than a regulation ball. The Pilots beat the Indians, 19 – 14. One week later, Commissioner Bowie Kuhn orders the livelier ball to be discontinued.

1970 – The Cleveland Indians and Seattle Pilots play an exhibition game with the experimental X-5 ball, which is reported to be five per cent livelier than a regulation ball. The Pilots beat the Indians, 19 – 14. One week later, Commissioner Bowie Kuhn orders the livelier ball to be discontinued.