Photo by Travis David | Sullivan players celebrate after Ty Hamilton delivered a walk-off single in the bottom of the seventh inning Monday against Mitchell.

BY TRAVIS DAVID [email protected]   SULLIVAN — Last year the Sullivan baseball team watched Mitchell celebrate winning a sectional championship at their own expense.   On Monday, the Bluejackets were forced to watch the Arrows celebrate.   Ty Hamilton delivered a two-out, 2-run single in the bottom of the seventh…