Mark McGwire
Records

Accomplishment
Record
Date(s)
Refs
Major League Baseball records
Major League Baseball records
Major League Baseball records
Major League Baseball records
Fewest at-bats to 500 career home runs
5,487
1999
-
Fewest career at bats per home run
10.6
10.6
-
Home runs in a four-season period
245
1996–1999
-
Consecutive 50-HR seasons
4†
1996–1999
-
50-HR seasons
4††
1996–1999
-
Consecutive 60-HR seasons
2†
1998–1999
-
Home runs in a two-season period
135
1998–1999
-
Single-season highest RBI/H ratio
1.014
1999
-
Oakland Athletics records
Oakland Athletics records
Oakland Athletics records
Oakland Athletics records
Lowest career AB/HR ratio
12.1
12.1
-
Career HR
363
363
-
Lowest single-season AB/HR ratio
8.1
1995, 1996
-
St. Louis Cardinals records
St. Louis Cardinals records
St. Louis Cardinals records
St. Louis Cardinals records
Lowest career AB/HR ratio
7.9
7.9
-
Highest career OPS
1.222
1.222
-
Highest career OPS+
180
180
-
Highest career SLG
.683
.683
-
Lowest single-season AB/HR ratio
7.3
1998
-
Most HR in a season
70
1998
-
Most times on base in a season
320
1998
-
Most bases on balls in a season
162
1998
-

Question: How many home runs did Mark McGwire have with Athletics?
Answer: McGwire had a total of 363 home runs with the Athletics.