By BILLY HEYEN IRONDEQUOIT, N.Y. — Luke Melidona held the ball on the left wing late in the first quarter as Keenan Robertson cut backdoor from the other wing. Irondequoit’s Connor Shafer set a screen for Robertson, who rose up as Melidona lobbed the ball toward the rim. Minutes earlier, Robertson had leaped before smacking to the hardwood, hyper-extending his right knee. It … [Read more...] about Irondequoit overcomes Churchville comeback to avoid upset, advance to semis