 The Generals scored 334 goals, the second highest in the league, while they allowed 244 goals, the third fewest in the OHL.In the playoffs, Oshawa defeated the Cornwall Royals four games to two in the Leyden Division quarter-finals, earning a bye in the division semi-finals.In the Leyden Division finals, the Generals swept the Peterborough Petes in four games, earning a berth in the 1990 Memorial Cup after the host team, the Dukes of Hamilton, were forced to give up their spot following a very poor regular season record.