![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie](https://www.elisportsnetwork.com/wp-content/uploads/2023/04/IMG_4155.jpg)
Mariners Celebrate Jackie Robinson Day with Dominant Win Over
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Jackie Robinson Day is April 15 when MLB celebrates - Sports
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MLB players to wear #42 Monday to honor Jackie Robinson Day
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie](https://media.bleacherreport.com/image/upload/x_69,y_122,w_1725,h_1151,c_crop/c_fill,g_faces,w_1600,h_1600,q_95/v1681571664/m2p0g4ioxsnc1dl8ofcp.jpg)
Jackie Robinson Day 2023: How Sports World is Honoring MLB Icon
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A look at MLB's initiatives as it celebrates Jackie Robinson Day
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Jackie Robinson Autographed Cut Signature Framed
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie](https://www.ballqube.com/wp-content/uploads/2017/04/99808359.jpeg)
Celebrating the 70th Anniversary of Jackie Robinson Breaking The
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Mariners at forefront of establishing Jackie Robinson Day
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42 days until Mariners Opening Day! Remembering Jackie Robinson
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The meaning behind Robinson Canó's Padres jersey number