Noun
The word is derived from base on balls
bases-on-balls
On July 4, he tied and passed Rickey Henderson 's career bases on balls record with his 2190th and 2191st career walks. citation As Bonds neared Aaron's record, Aaron was called on for his opinion of Bonds. Source: Internet
Barry Bonds is the all-time record holder with 688 intentional bases on balls. Source: Internet