One upon a time the 50 home run mark was a milestone for only the very best power hitters in baseball.
The feat has only been accomplished 42 times in baseball history by 26 different men.
Recent history has sadly diminished this feat. Between 1995 and 2007, the feat was accomplished 23 times (four times each by Mark McGwire and Sammy Sosa).
Despite the intervention of the steroid era, baseball fans should still remember the significance of the 50 home run club.
On September 23rd, Jose Bautista hit his 50th home run of the 2010 season.
That home run made him one of the most unlikely members of this exclusive baseball club.
Here's a deeper look at the most unlikely and surprising 50 home run season in baseball history.