The only day MLB players can wear No. 42? Jackie Robinson Day
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Jackie Robinson Day 2023: MLB players wear No. 42 to honor trailblazer
42: Jackie Robinson Day - We R Tacoma
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The Only Day MLB Players Can Wear No. 42 » Britannica
42 days until Mariners Opening Day! Remembering Jackie Robinson
Why every MLB player is wearing No. 42 on Monday
Jackie Robinson Day 2020, All Players Wearing #42 and Patches Today – SportsLogos.Net News
MLB celebrates Jackie Robinson Day – The Denver Post
Jackie Robinson Day 2023: MLB players wear No. 42 to honor trailblazer
Here's what MLB is doing for Jackie Robinson Day in 2021
