![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://arc-anglerfish-arc2-prod-bostonglobe.s3.amazonaws.com/public/6AJCSOFE5UI6TDWF3H2PZ47XD4.jpg)
Remembering the 1999 Home Run Derby in photos - The Boston Globe
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ebayimg.com/images/g/A2MAAOSwhX1fv~bU/s-l1600.jpg)
2020 Mark McGwire 1999 Home Run Derby Topps Update Baseball Trading Card #U110
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/65g-ufn56BA/sddefault.jpg)
McGwire hits his 44th home run of 1998
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/_HqXM-HAuvA/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAnOaJmqcSrdhQpmMvHaaxuZ2W0rg)
The GREATEST Home Run Derby Performance of ALL-TIME!
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/6gGm7N6CG1g/maxresdefault.jpg)
Mark McGwire breaks single-season home run record! Hits 62nd of 1998 to pass Roger Maris' 61 HR mark
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/n_jpcibk7bg/sddefault.jpg)
Mark McGwire 1997 (#2) (St. Louis)
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/V_Tg1zw6gow/sddefault.jpg)
Mark McGwire 1997 (#2) (St. Louis)
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/L020H97IONA/maxresdefault.jpg)
Seattle's Got Julio's Back in the Home Run Derby
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://p19-sign.tiktokcdn-us.com/tos-useast5-p-0068-tx/a3a5f0294ddc463f8594604042087dab~tplv-photomode-zoomcover:720:720.jpeg?x-expires=1697940000&x-signature=LG5HJZS2J158PMzgSIVba5CX%2Fdg%3D)
Mark McGwire in the 1999 Homerun Derby #homerun #baseballtiktoks #base
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/341h-ZT9OlQ/maxresdefault.jpg)
Using a Mixture of All Star Cards/HRD Cards VS 99 John Donaldson!
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/rjL3u92-77E/maxresdefault.jpg)
MLB The 2016 Home Run Derby ᴴᴰ
![1999 HRD Rd1: McGwire hits 13 HRs in Round 1 of '99 derby](https://i.ytimg.com/vi/j5i3FbWjMqo/mqdefault.jpg)
Watch all of Mark McGwire's 70 homers from 1998