Head coach Matt Corker has spoken of the role Canterbury Pilgrims have played in helping develop first-team players – as they celebrate a second successive promotion. The Pilgrims, Canterbury’s second string, ensured they will go up from Kent 1 as champions this season with a comeback 28-18 win over Ashford on Saturday. It capped a productive day, their first team beating Guernsey 33-19 to earn a second successive National League 2 East victory. On the Pilgrims, Corker said: “They didn’t have it all their own way. They were 13-0 down. “I managed to see the second half. Getting promoted two sea…