Between 1929 and 1939 he played 63 international matches and scored 21 goals for Latvian national team.
He also played in the Latvian national ice hockey team, where he appeared in eight matches.
Ēriks Pētersons was first noticed in 1928 when he moved from a third league team directly to the strongest football club in Latvia, Rīgas FK.
He started as a center forward but soon changed his position on the field to central midfield in which he still retained his goal scoring abilities.
After the war, Pētersons moved to the United States where he played for the Swedish football club Chicago Viking.