Jan ElfringJohan Gerard Hendrik "Jan" Elfring was a Dutch footballer who participated at the 1928 Summer Olympics.CareerHe played club football for local sides Go Ahead 1918 and Alcmaria Victrix as well as for Robur et Velocitas in Apeldoorn after he moved to the city in 1929. Elfring made his debut for the Netherlands in an October 1926 friendly match against Germany and earned a total of 15 caps, scoring 2 goals. His final international was a December 1928 friendly against Italy.