Why are MLB players wearing No. 42 jerseys today?

MLB on X: Honoring No. 42. #Jackie42 / X

Best current MLB players at each jersey number, 1-97

Jackie Robinson Day 2023: MLB players wear No. 42 to honor trailblazer

Why are Boston Red Sox players all wearing No. 42 jerseys? Jackie Robinson day across the MLB

Seattle Mariners players honor Jackie Robinson by wearing the number 42 on their jerseys, as they stand for the national anthem before a baseball game against the Los Angeles Angels in Anaheim

MLB honors Jackie Robinson Day and pays tribute to his barrier-breaking career

Marlins focus on youth for Jackie Robinson Day

History of retired numbers dates back to Lou Gehrig Day

Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune

The Red Sox And All MLB Teams Celebrate Diversity On Jackie Robinson Day By Wearing #42

Philadelphia apologizes for 'tremendous racism' against Jackie Robinson - The Globe and Mail

The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors

Baseball's Jackie Robinson Day Needs to Be More Than Just a Gesture