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From MLB's wildest day to the Astros' scandal: The most meme-worthy moments ever for all 30 teams - ESPN
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://i.ytimg.com/vi/t2uZAYN_blw/mqdefault.jpg)
From MLB's wildest day to the Astros' scandal: The most meme-worthy moments ever for all 30 teams - ESPN
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://www.gainesville.com/gcdn/authoring/2004/06/14/NTGS/ghows-LK-bcb14ccb-4f40-43dd-98e3-22e0d7638463-969edeb1.jpeg)
Griffey belts No. 499
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://cloudfront-us-east-1.images.arcpublishing.com/cmg/ZWVAMDJQ2BENLAF6GP5KJYYG4A.jpeg)
The day an unknown David Ortiz beat Ken Griffey Jr. and A-Rod in a surprise home run derby – KIRO 7 News Seattle
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://sabr.org/sites/default/files/Griffey-Ken-Jr-CIN-NBHOF.png)
April 10, 2000: Ken Griffey Jr. becomes youngest player to hit 400 home runs – Society for American Baseball Research
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://baseballhall.org/sites/default/files/Griffey%20Ken%20Jr%201976.2002.1088_NBL_0.jpg)
Griffey's 400th homer sets new standard
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://baseballhall.org/sites/default/files/styles/story_popup_thumb_540/public/ken%20griffey%20jr.%20full.jpg.jpeg?itok=4s_QJNDT)
Griffey's 400th homer sets new standard
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Ken Griffey Jr. Cincinnati Reds unsigned 8 x 10 #2
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Ken Griffey, Jr., Biography, Statistics, & Facts
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From MLB's wildest day to the Astros' scandal: The most meme-worthy moments ever for all 30 teams - ESPN
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/v1586379500/mlb/sry1meyxlezrxc5e3cft)
Ken Griffey Jr. hits 400th career home run
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/l9sgowf52wnmbnbng5az)
Ken Griffey Jr. hits 400th career home run
![Cincinnati Reds on X: #OTD in #Reds history, 2000: Ken Griffey Jr. becomes the youngest player to reach 400 home runs with a solo shot against the Rockies at Coors Field. /](https://i.ytimg.com/vi/ZHVsJ2Grm80/hqdefault.jpg?sqp=-oaymwEmCOADEOgC8quKqQMa8AEB-AHOBYACnASKAgwIABABGGUgTSg-MA8=&rs=AOn4CLA-_3PzbPZP39fezXywu8FWbxCiqg)
CHC@CIN: Griffey hits his first home run with Reds
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Home Run Derby Latest News, Photos and Videos
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Ken Griffey Jr. hits his 200th home run as a member of the Cincinnati Reds. He becomes the fourth player in major league history to hit 300 for one team and 200