14-17 August, 2017. There were over 5000 men playing professional football in 1914. Of those, about 2000 joined up, many being killed in the Salient and on the Somme. On 26 Nov 1914, every member of the Hearts team joined the army (McCrae’s Battalion). At the Battle of Loos (1915) the battalion was practically destroyed. Three who survived, Harry Wattie, Duncan Currie and Ernie Ellis – were killed on the first day of the Somme. By March 1915, 122 professional footballers had joined 17 Middx, including the whole of the Clapton Orient (now Leyton Orient) first team. We shall follow their footsteps and see places where they fought and fell, and visit the ground where football was played between friend and foe during the Christmas Truce, 1914.