Sentence:  Only Bucky Harris , the `` boy manager '' of Washington in 1924 , and Eddie Dyer of the <WSD>St.</WSD> Louis Cardinals in 1946 had accomplished the feat . 
Meaning of the word marked with <WSD> tags:  the largest city in Missouri; a busy river port on the Mississippi River near its confluence with the Missouri River; was an important staging area for wagon trains westward in the 19th century