Sentence:  The opinion continues here that with a 162 - game schedule , pitching spread thin through a 10 - team league and a most inviting target in Los Angeles ' Wrigley Field Jr. , Mantle just might break the most glamorous <WSD>record</WSD> on the books , Babe Ruth 's 60 homers of 1927 . 
Meaning of the word marked with <WSD> tags:  an extreme attainment; the best (or worst) performance ever attested (as in a sport)