Simplify the following text for a Grade 8 native English-speaking person.
Original: Hiroshi Ochiai ( born February 28 , 1946 in Urawa , Saitama , Japan ) is a former Japanese football player .
Simplified: Hiroshi Ochiai ( former name ; Hiroshi Yamada , born 28 February 1946 ) is a former Japanese football player . He has played for Japan national team .