Welland Sabres in the league quarter-final in five games and the third place Chatham Maroons 8-points-to-6 (3 wins, 2 losses, 2 ties) and were looking to shock the Spitfires too. The Biltmores had caused trouble for the Spitfires all season as their head-to-head record was 5 wins each and 2 ties in 12 matches. After a week layoff, the Spitfires were up against a hot opponent and were missing scoring champion John Tavella to a three-games suspension for butt-ending against Detroit. The Spits dropped the first game, at home, 6-5 after giving up a late 2-on-1 odd-man rush late in the third period. The next night, in Guelph, the Spitfires led 6–1 in the first and 8–4 in the second to blow the lead in the third and finish with a 9–9 overtime tie. The Spitfires tied up the series in game three with a 4–2 win in Windsor. In Guelph for game four, the Spitfires blew a first period 3–0 lead to lose 6–4. Game five saw the Spitfires tie the series at five points a piece with an 8–4 win at home. Guelph again gained the advantage in game six with a 6–4 win at home. In a last gasp for air, the Spitfires fought to win a 6-4 decision in Windsor to tie the series at 7 points each and force a final eighth game - winner take all. The eighth game proved to be the Spitfires' last game of Tier II Junior A, as they traveled to Guelph and blew a 3–0 lead to lose the game (6-5) and the series (9-points-to-7) to end their four-year trek in the Southern Ontario Junior A Hockey League. The Spitfires were granted entry into the OMJHL (later known as the OHL) as an expansion franchise for the 1975–76 OMJHL season in February 1975. The league's board of governors unanimously accepted the Spitfires despite their arena's surface being smaller than Major Junior A standards. The Spitfires' had pumped $200,000 into the arena over the past two years, so the league overlooked the surface size despite taking issue with it in their 1974 rejection of the Spitfires' expansion bid. Major Junior On September 25, 1975, Major Junior hockey returned to the Windsor Arena for the first time in twenty-two years. In front of 4,335 fans, the Windsor Spitfires hosted the Oshawa Generals. The game would be an eye-opener for the Spitfires,