“All of the aspects of a player’s baseball ability – physical, technical, psychological – were being. s technical department, but the aims of each often competed and it proved too much for just one person. o on Sunday, on 16 April 1967, professional soccer took its first bold steps in the US as the National Professional Soccer League made its debut. orld Cup and won two Copa Libertadores titles before joining the Spartans and earning 1967 MVP honors.