How does a perfect game in baseball work?

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SIGNED PERFECT GAME BASEBALLS

Don Larsen Autographed New York Yankees 50th Anniversary Perfect Game Comme...

Don Larsen Autographed New York Yankees 50th Anniversary Perfect Game Commemorative Baseball

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$99.99

Don Larsen and Yogi Berra - 1956 WS Perfect Game - Autographed Baseballs wi...

* The day was October 8th, 1956. It was Game 5 of the World Series. Don Larsen was on the mound. Yogi Berra was behind the plate. There was no reaso...

See It
$335.00

Don Larsen and Yogi Berra - 1956 WS Perfect Game - Autographed Baseballs wi...

* The day was October 8th, 1956. It was Game 5 of the World Series. Don Larsen was on the mound. Yogi Berra was behind the plate. There was no reaso...

See It
$335.00