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 players honored to wear Jackie Robinson's No. 42
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Why are MLB players wearing No. 42 jerseys today?
Yankees' Mariano Rivera Is the Last No. 42 - The New York Times
What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
Philadelphia apologizes for 'tremendous racism' against Jackie Robinson - The Globe and Mail
MLB to Celebrate Jackie Robinson Day Today – NBC Los Angeles