The home run is the greatest moment in all of sports. Here are all of the players who created that moment at least 400 times in their great careers.

The 400 Home Run Club used to be very exclusive. Just 10 years ago, there were only 24 members. Which means that in the entire 130-year history of Major League Baseball up to that point, there were only 24 players able to top 400. In the past ten years, however, the Club has expanded to 41 members. That makes 17 new home run quadracenterians added to the list in just one decade. That's a steep increase, to say the least. It may be due to better scouting of pitchers, more tightly wound baseballs, or even the new smaller ballparks. It could also be due to something else entirely. Whatever the cause, no player can even approach 400 Home Runs unless he has great talent and world class work ethic.

Here is the illustrious 400 Home Run Club Membership List, which includes the 40 Best Home Run Hitters Ever.

1. Henry Aaron (755)

2. Barry Bonds (746*)

3. Babe Ruth (714)

4. Willie Mays (660)

5. Sammy Sosa (598*)

6. Frank Robinson (586)

7. Mark McGwire (583)

8. Harmon Killebrew (573)

9. Rafael Palmeiro (569)

10. Reggie Jackson (563)

11. Ken Griffey, Jr. (578*)

12. Mike Schmidt (548)

13. Mickey Mantle (536)

14. Jimmie Fox (534)

15. Ted Williams (521)

16. Eddie Matthews (512)

17. Ernie Banks (512)

18. Mel Ott (511)

19. Eddie Murray (504)

20. Lou Gehrig (493)

21. Fred McGriff (493)

22. Frank Thomas (495*)

23. Willie Stargell (475)

24. Stan Musial (475)

25. Jim Thome (480*)

26. Manny Ramirez (480*)

27. Dave Winfield (465)

28. Alex Rodriguez (488*)

29. Jose Canseco (462)

30. Gary Sheffield (481*)

31. Carl Yazstremski (452)

32. Jeff Bagwell (449)

33. Dave Kingman (442)

34. Andre Dawson (438)

35. Juan Gonzalez (434*)

36. Cal Ripken (431)

37. Billy Williams (426)

38. Mike Piazza (419*)

39. Darrell Evans (414)

40. Carlos Delgado (417*)

40. Duke Snyder (407**)

* active player **author's disregard for proper counting.

400 Home Run Club Trivia

-- Ted Williams has the highest career Batting Average for Club Members at .344.

-- Dave Kingman has the lowest career Batting Average for Club Members at .236.

-- Every member of the 400 Club that is eligible for Hall of Fame induction has been inducted except for:

• Mark McGwire (denied entry in 2007, but won 27% of a required 75% of the votes)
• Andre Dawson (denied since 2002, but received 56.7% of the vote this year)
• Dave Kingman (removed from ballot in 1992 after getting only 0.7% of the vote)
• Jose Canseco (removed from ballot in 2007 after getting 1% of the vote)

-- The only switch hitters in the 400 Home Run Club are Mickey Mantle and Eddie Murray.

-- Club Member Mark McGwire hit a home run every 10.6 At-Bats over the course of his career. By comparison, Babe Ruth hit one homer every 11.8 At-Bats and Barry Bonds has one per 12.9 At-Bats.

-- Three 400 Home Run Club members have also stolen at least 300 bases: Barry Bonds (509), WIlie Mays (338) and Andre Dawson (314).

-- The first player to hit 400 Home Runs was Babe Ruth, who passed the mark in 1927.

-- Detroit Tigers Hall of Famer Al Kaline retired with 399 career Home Runs.

-- Seven members of the 400 Home Run Club also have 3,000 hits. Does anyone know that list?

There is everything you need to know about the 400 Home Run Club. Well, it's a lot, anyway. Have fun with it.