Grandfather Clause: Difference between revisions

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** Case in point -- [[Weasel Mascot|Ferrets]]. They're the 3rd most popular pet in the US, yet you never see them in the media and laws and regulations prohibiting their ownership abound.

* The [[National Hockey League|NHL]] mandated that new players wear helmets in August 1979, but allowed players that were already playing without them to continue to play helmetless. Craig MacTavish was the last non-helmeted player to play in the NHL (he said it was "a comfort thing"). He retired in 1997.

* Major League Baseball retired the number 42 in honor of Jackie Robinson, the first black player to play in the major leagues, in 1997, but allowed players who were already wearing that number to continue using it. Mariano Rivera of the New York Yankees is the last remaining active player to still wear that number.

* Major League Baseball retired the number 42 in honor of Jackie Robinson, the first black player to play in the major leagues, in 1997, but allowed players who were already wearing that number to continue using it. Mariano Rivera of the New York Yankees was the last remaining active player to still wear that number, retiring in 2013.

* Major League Baseball requires at least 325 feet of distance along each foul line to the nearest obstruction...except for fields that had shorter distances prior to 1958. The exception only applies to Boston's Fenway Park.

* Another MLB example: The spitball was banned in 1920, but pitchers who specialized in throwing spitballs were allowed to keep doing so for the rest of their careers. The last spitballer was Hall of Famer Burleigh "Ol' Stubblebeard" Grimes, who retired in 1934.