NOTE : Intentional walks have only been an officially tracked statistic since 1955. Historical data found on Baseball Almanac prior to that year is based on box scores.

Baseball Almanac is pleased to present a record book full of baseball milestones for intentional bases on balls—including most intentional bases on balls in a career, most intentional bases on balls in a single single, and most intentional bases on balls in a game records.

"The game has changed. Records are made to be broken, and whatever happens in the future, we should allow it to happen on its own and not question it. We are not machines. We are human beings." - Barry Bonds in Baseball Digest (January 2002)

The career mark & single season mark set by Barry Bonds are, to say the least, in a class by themselves. Will either of these two marks ever be eclipsed or will these go down in history as more examples of unbeatable records? Share your thoughts on Baseball Fever.

If one event in baseball signifies true respect, it has to be an intentional walk with the bases loaded. Bill Deane and Everett Parker recently completed research on the five instances and summarized the events of each game below. In 2007, research Trent McCotter added to this remarkable list with his Dalrymple discovery:

Did you know that Rickey Henderson holds the Major League record for most walks in a season (he had one-hundred eighteen with the Oakland Athletics in 1998) without a single intentional bases on balls?