Sentence: On September 21 , 1955 , Moore went up in weight to face future Hall of Famer Rocky Marciano for Marciano 's Heavyweight Championship . 
 Question: why did someone go  up in something?
for Marciano 's Heavyweight Championship ### to face future Hall of Famer Rocky Marciano ### to face future Hall of Famer Rocky Marciano for Marciano 's Heavyweight Championship