# How has Baseballl changed in the last 50 years?

**URL:** <https://boards.straightdope.com/t/how-has-baseballl-changed-in-the-last-50-years/1018654>\
**Category:** The Game Room\
**Tags:** baseball-mlb\
**Created:** [May 22, 2025, 8:44am UTC](https://boards.straightdope.com/t/how-has-baseballl-changed-in-the-last-50-years/1018654 "2025-05-22T08:44:22Z")\
**Posts on this page:** 1\
**Showing post:** 144

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**Author:** ![zimaane](https://avatars.discourse-cdn.com/v4/letter/z/a3d4f5/32.png) [@zimaane](https://boards.straightdope.com/u/zimaane)\
**Post date:** [June 4, 2025, 6:27pm UTC](https://boards.straightdope.com/t/how-has-baseballl-changed-in-the-last-50-years/1018654/144 "2025-06-04T18:27:21Z")

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> [@Coriolanus](#):
>
> I know they grandfathered out #42 and retired it around the league. There can’t be any current #42’s right?
> 
> I could not quite figure out what the “4” means yet if it means a tribute to Jackie Robinson and every player is wearing it, I approve. As I ain’t buying whatever they’re selling on the sleeves.

Nope, every team retired #42 and so it’s not used. Except on Jackie Robinson day, April 15th, when every player wears that number.

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