"The Streak," which ranked number one on this list, appears on Baseball Almanac in detail in our fabulous feats section.
Jose Canseco is one of only three men to ever have a 40 / 40 (forty home runs AND forty stolen bases) season - do you remember who the other two players are?
Would players today include the milestones set by Mark McGwire? Sammy Sosa? Cal Ripken, Jr.? Fernando Tatis? Barry Bonds? Share your opinion of these feats, recent feats, and unbeatable feats on our baseball message boards.