70 Single Season Home Runs by Mark McGwire

Mark McGwire had been known throughout his career as a great home run hitter. In 1998, he changed the record books as the whole world watched. He, and Chicago Cub Sammy Sosa, brought back memories of the 1961 Mickey Mantle / Roger Maris home run race. McGwire eventually "won" by hitting the record breaking sixty-second homer seven days before Sosa. McGwire went around the bases eight more times before season's end, leaving the new record at seventy.

McGwire began going over the fence as early as March. He hit consistently through the summer, jockeying for the National League lead with Sosa. The two faced a mass of media, as every eye in the country turned to see who would win the place in the record books. On September 8, McGwire did just that as he hit an 88 mile per hour fastball off of Steve Trachsel of the Chicago Cubs. Sosa was there to celebrate the milestone; he celebrated his own five days later. McGwire and Sosa capped their seasons as the co-holders of Sports Illustrated's Sportsmen of the Year.

McGwire later admitted to using the steroid Androstenedione during his record setting year, among others. Since his retirement in 2001, McGwire has kept a low profile, marrying the following April. McGwire may have been known as Big Mac by his teammates, but during the 1998 season he was known as the Babe Ruth of the nineteen-nineties.

Baseball Almanac Top Quote

"I threw a ninety-seven mile per hour pitch to ( Mark ) McGwire , and it went out at a hundred and ten!" - Randy Johnson

70 Single Season Home Runs by Mark McGwire
"The Big 70"

Mark McGwire

In Numerical Order | Mark McGwire

1
5
0
123
1-0
364'
2
12
2
12-
0-1
368'
3
5
0
--3
3-2
364'
4
6
0
1-3
2-1
419'
5
3
1
1--
1-2
424'
6
5
2
---
1-1
347'
7
8
0
1--
2-0
462'
8
4
2
-2-
2-2
419'
9
3
2
1--
0-0
437'
10
7
2
1--
1-2
419'
11
8
1
1--
2-1
371'
12
9
2
--3
1-2
362'
13
3
1
1--
0-2
358'
14
5
0
12-
1-2
527'
15
4
0
---
1-1
381'
16
4
0
---
1-0
545'
17
4
0
---
2-0
478'
18
3
1
--3
2-0
440'
19
5
0
-2-
0-2
471'
20
8
0
1--
0-0
451'
21
6
1
1--
1-1
425'
22
4
1
---
1-0
366'
23
5
1
12-
2-2
477'
24
12
2
1--
2-2
397'
25
1
2
---
2-2
433'
26
9
1
-2-
0-0
388'
27
1
2
---
0-1
423'
28
1
1
-2-
1-2
409'
29
4
0
1--
0-0
356'
30
3
1
-23
1-0
409'
31
3
1
123
1-0
438'
32
3
2
---
1-2
437'
33
5
0
---
1-1
449'
34
4
1
---
1-1
433'
35
1
2
---
2-2
461'
36
7
2
1--
2-2
431'
37
7
0
---
0-1
472'
38
11
1
1--
0-2
485'
39
1
2
---
0-0
405'
40
7
0
---
2-1
415'
41
1
2
---
0-0
511'
42
8
1
---
1-0
425'
43
5
0
1--
2-1
452'
44
4
2
---
0-0
452'
45
8
1
---
2-2
408'
46
4
0
---
2-1
374'
47
4
0
---
1-0
464'
48
8
1
---
3-1
398'
49
10
1
---
2-0
409'
50
7
0
---
2-1
369'
51
1
2
---
3-2
393'
52
1
2
---
0-2
477'
53
8
2
---
2-2
393'
54
8
0
--3
0-1
509'
55
7
0
12-
1-0
501'
56
7
0
---
1-1
450'
57
9
1
---
0-0
472'
58
7
2
--3
2-1
497'
59
8
2
-2-
0-0
458'
60
1
1
1--
2-0
381'
61
1
2
---
1-1
430'
62
4
2
---
1-1
341'
63
9
1
---
0-0
385'
64
4
0
-2-
3-1
423'
65
1
1
1--
2-1
423'
66
5
2
1--
1-2
375'
67
4
1
---
0-0
403'
68
7
2
1--
1-1
435'
69
3
2
---
1-1
377'
70
7
2
1-3
0-0
370'
Mark McGwire | 70 Home Run Season | Baseball Almanac
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baseball almanac fast facts

On May 8, 1998 , Mark McGwire hit career home run number four-hundred in his four-thousand seven-hundred twenty-sixth at bat, which was faster than any other player in history.

Did you know that on May 16, 1998 , Livan Hernandez got rocked for the longest home run of the 1998 season, an estimated shot of five-hundred forty-five feet?

Mark McGwire hit single season home run number fifty on August 20, 1998 , becoming the first Major League ballplayer in history with three consecutive fifty plus home run seasons.

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