Editing Mark McGwire (section)

===Records===
{| class="wikitable"
|-
|+ '''MLB and team records'''
|-
!Accomplishment
!Record
!Date(s)
!Refs
|-
! style="background:#dde;" colspan="4"| Major League Baseball records
|-
| Fewest at-bats to 500 career home runs
| style="text-align:center;"| 5,487
| style="text-align:center;"| 1999
| <ref name=atbatto500hr/>
|-
| Fewest career at bats per home run
| colspan="2" style="text-align: center;" | 10.6
| <ref name=atperhr/>
|-
| Home runs in a four-season period
| style="text-align:center;"| 245
| rowspan="3" style="text-align: center;"| 1996–1999
|
|-
| Consecutive 50-HR seasons
| style="text-align:center;"| 4<sup>†</sup>
|
|-
| 50-HR seasons
| style="text-align:center;"| 4<sup>††</sup>
|
|-
| Consecutive 60-HR seasons
| style="text-align:center;"| 2<sup>†</sup>
| rowspan="2" style="text-align: center;"| 1998–1999
|
|-
| Home runs in a two-season period
| style="text-align:center;"| 135
|
|-
| Single-season highest RBI/H ratio
| style="text-align:center;"| 1.014
| style="text-align:center;"| 1999
|
|-
! style="background:#dde;" colspan="4"| Oakland Athletics records
|-
| Lowest career AB/HR ratio
| colspan="2" style="text-align: center;"| 12.1
|
|-
| Career HR
| colspan="2" style="text-align: center;"| 363
|
|-
| Lowest single-season AB/HR ratio
| style="text-align:center;"| 8.1
| style="text-align:center;"| 1995, 1996
|
|-
! style="background:#dde;" colspan="4"| St. Louis Cardinals records
|-
| Lowest career AB/HR ratio
| colspan="2" style="text-align: center;"| 7.9
|
|-
| Highest career OPS
| colspan="2" style="text-align: center;"| 1.222
|
|-
| Highest career OPS+
| colspan="2" style="text-align: center;"| 180
|
|-
| Highest career SLG
| colspan="2" style="text-align: center;"| .683
|
|-
| Lowest single-season AB/HR ratio
| style="text-align:center;"| 7.3
| rowspan="4" style="text-align: center;" | 1998
|
|-
| Most HR in a season
| style="text-align:center;"| 70
|
|-
| Most times on base in a season
| style="text-align:center;"| 320
|
|-
| Most bases on balls in a season
| style="text-align:center;"| 162
|
|}

{{Small|† – ''tied with [[Sammy Sosa]]''}}

{{Small|†† – ''tied with [[Babe Ruth]] and [[Sammy Sosa]]''}}