Pesäpallo at the 1952 Summer Olympics

Pesäpallo, the Finnish variant of baseball, was played as a demonstration sport at the 1952 Summer Olympics at Helsinki Olympic Stadium in Helsinki, Finland.

The ceremonial first feed, or pitch, was thrown at 18:00 on 31 July by Lauri Pihkala, who had created the sport. The teams playing were the Finnish Baseball Federation and the Finnish Workers' Sports Federation. In a match with a shortened schedule, the Finnish Baseball Federation won, 8–4.

Finnish Baseball League (Pesäpalloliitto)

 * Eino Kaakkolahti, pitcher
 * Leo Hannula, 1st baseman
 * Viljo Niemi, left fielder
 * Olli Hanski, 2nd baseman
 * Antti Elomaa, catcher
 * Pertti Ahonen, 3rd baseman
 * Eero Vuorio, right shortstop
 * Toivo Ilola, left shortstop
 * Taisto Lehto, right fielder
 * Viljo Kokkonen, substitute
 * Pertti Jaakkola, substitute
 * Eero Vilevaara, substitute

Worker's Athletic Federation (Työväen Urheiluliitto)

 * Aimo Paavola, pitcher
 * Osmo Juntto, 1st baseman
 * Onni Sallinen, left fielder
 * Jorma Harlin, 2nd baseman
 * Reino Hakkarainen, catcher
 * Veikko Auersalmi, 3rd baseman
 * Pauli Kilpiä, right shortstop
 * Paavo Reiju, left shortstop
 * Lasse Heikkilä, right fielder
 * Pauli Lahtinen, substitute
 * Pauli Vainio, substitute
 * Oiva Huuskonen, substitute