 Jacob collected his fourth Leinster medal in 1977 following a 3–17 to 3–14 defeat of Kilkenny.The All-Ireland final on 4 September 1977 was a repeat of the previous year, with Cork providing the opposition once again.Seánie O'Leary score the decisive goal for Cork as the game entered the last quarter, while Martin Coleman brought off a match-winning save from Christy Keogh to foil the Wexford comeback.