![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://img.mlbstatic.com/mlb-images/image/upload/ar_16:9,g_auto,q_auto:good,w_1024,c_fill,f_jpg,dpr_3.0/mlb/cb3beik7r84ylbmsx7hm)
Ken Griffey Jr. meets Chevy Fellows at Swingman Classic event
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://miro.medium.com/v2/resize:fit:1358/1*8CCbXb0Bh4skFlPZzgw08w.jpeg)
Mariners Off Season Update. Games thru Dec. 5, 2022, by Mariners PR
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w1024/mlb/oepmhqqbzyhpnidmoxax)
MLB Home Run Derby will include autographed baseballs
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://img.mlbstatic.com/mlb-images/image/upload/t_2x1/t_w1536/mlb/og7peu2rpywnntubgfkm.jpg)
MLB Home Run Derby will include autographed baseballs
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://img.mlbstatic.com/mlb-images/image/upload/t_4x1/t_w1536/mlb/fwtyrahrciwrmlwbhwe8.jpg)
Seattle Mariners, Fans, All-Star Week
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://images.footballfanatics.com/baltimore-orioles/adley-rutschman-autographed-official-mlb-baseball-baltimore-orioles-mlb-debut-5-21-22-fanatics-and-mlb-holo-stock-number-220534_ss2_p-200718844+u-bfyrpbtgjqhxmtwqfubf+v-xopisiiksqvsrclzyuio.jpg?_hv=2&w=340)
Signed Baseball, Autographed Baseball
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://static01.nyt.com/images/2015/04/08/sports/08SIGNATUREweb1/08SIGNATUREweb1-articleLarge.jpg?quality=75&auto=webp&disable=upscale)
Rob Manfred Puts His Stamp on the Game and an Era - The New York Times
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://vafloc02.s3.amazonaws.com/isyn/images/f780/img-4002780-m.jpg)
MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://uploads.visitseattle.org/2023/05/18163833/WEB_T-Mobile-Park_051919_420-BVH_A.jpg)
MLB All-Star Visit Seattle
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://imgv2-1-f.scribdassets.com/img/document/59766397/original/8299cb223f/1690534647?v=1)
2010 All Star Game MLB Media Guide, PDF, New York Yankees
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/RDKBOKH3NMI6XEI4KJF4RNUPC4.jpg)
Ken Griffey Jr. is helping MLB draw Black players back to the game - The Washington Post
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w1024/mlb/bsczprqsdrcyzahvr9aj)
MLB Home Run Derby will include autographed baseballs
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://cdn1.sportngin.com/attachments/photo/f713-140130272/DUAL_info_sheet_JHRD-PHR_SCMAF_large.jpg)
MLB Youth Programs
![MLB-MLBPA Youth Development Foundation: Autographed Baseball Signed by All Participants from the 2023 T-Mobile Home Run Derby](https://vafloc02.s3.amazonaws.com/isyn/images/f715/img-4002715-m.jpg)
MLB-MLBPA Youth Development Foundation: 2023 T-Mobile Home Run Derby Used & Autographed Baseball - Pete Alonso, Round 1 Out