![No. 42 jersey tribute began in 2007 with Griffey](https://i.ytimg.com/vi/4J_KJiS8rfc/maxresdefault.jpg)
Ken Griffey Jr. on the importance of wearing 42
![No. 42 jersey tribute began in 2007 with Griffey](https://securea.mlb.com/assets/images/1/8/8/118626188/cuts/sea1280_yt37d4ey_0991wqxq.jpg)
Mariners at forefront of establishing Jackie Robinson Day
![No. 42 jersey tribute began in 2007 with Griffey](http://bp2.blogger.com/_bmsyhrHb01w/RiJL1sSURYI/AAAAAAAAADY/KkmSJ0DAM0o/s0-d/29064181.jpg)
Speed of Life: Jackie Robinson Day
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McFarlane Toys Action Figure - MLB Jackie Robinson Day (3 Pack) - ROBINSON, CANO, GRIFFEY, JR. : ספורט ופעילות בחיק הטבע
![No. 42 jersey tribute began in 2007 with Griffey](https://securea.mlb.com/assets/images/9/2/0/118543920/cuts/girffey42_1280_zhc371g7_bv7j8wum.jpg)
No. 42 jersey tribute began in 2007 with Griffey
![No. 42 jersey tribute began in 2007 with Griffey](https://securea.mlb.com/assets/images/4/5/2/118339452/cuts/JRD1280_dj1mer5v_r61awimq.jpg)
Jackie's day a fitting backdrop for Civil Rights Game
![No. 42 jersey tribute began in 2007 with Griffey](http://promoimg.beckett.com/news/news-content/uploads/2011/03/griffey89.jpg)
We're headed back to the 1980s we want to hear what YOU think - Beckett News
![No. 42 jersey tribute began in 2007 with Griffey](https://www.bardown.com/polopoly_fs/1.1382197!/fileimage/httpImage/image.JPG_gen/derivatives/landscape_620/ken-griffey-jr.JPG)
ESPN Top 100 MLB players of all time 25-1 - TSN.ca
![No. 42 jersey tribute began in 2007 with Griffey](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Adrian_Beltre_%2850294917497%29_%28cropped%29.jpg/1024px-Adrian_Beltre_%2850294917497%29_%28cropped%29.jpg)
Uniform number (Major League Baseball) - Wikiwand
![No. 42 jersey tribute began in 2007 with Griffey](https://www.capecodtimes.com/gcdn/authoring/2007/04/09/NCCT/ghows-CC-b81073e9-745b-4437-8daa-a62c4f97ab0d-10cb5128.jpeg?width=1200&disable=upscale&format=pjpg&auto=webp)
Put No. 42 in the game
![No. 42 jersey tribute began in 2007 with Griffey](https://media.bleacherreport.com/image/upload/x_69,y_122,w_1725,h_1151,c_crop/c_fill,g_faces,w_3800,h_2000,q_95/v1681571664/m2p0g4ioxsnc1dl8ofcp.jpg)
Jackie Robinson Day 2023: How Sports World is Honoring MLB Icon, News, Scores, Highlights, Stats, and Rumors
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Reds celebrate Jackie Robinson Day with a 6-5 win over the Cubs
![No. 42 jersey tribute began in 2007 with Griffey](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/xr6gwzhisv1bn8zm5gbv)
Ken Griffey Jr. had Jackie Robinson Day idea
![No. 42 jersey tribute began in 2007 with Griffey](https://farm1.static.flickr.com/216/451071847_fc16ba7f64_m.jpg)
How Many Ballplayers Does It Take to Screw in a Lightbulb?
![No. 42 jersey tribute began in 2007 with Griffey](https://i.ytimg.com/vi/eJhC10q3hrk/hq720_2.jpg?sqp=-oaymwEYCJYDENAFSFryq4qpAwoIARUAAIhC0AEB&rs=AOn4CLAU0CVd6BHhNiUni9gokPbw_-vdEg)
Ken Griffey Jr. Started Wearing 42 on Jackie Robinson Day! #shorts