While the local Irish players were all amateurs, the American imports had to register as professionals. To afford such players, sponsors were a big part of every club. The IBA promoted a scheme whereby investors put money into clubs, and in return, the players will be walking billboards for their brand. However, there were instances when the lack of big sponsors and talent led to clubs struggling to keep up with the increased competition. Marian were champions in 1978, but the new semi-professional era of the league saw them get left behind, and following the 1982–83 season, the team was relegated from the top flight league. They had a very successful campaign in Division 2 in 1983–84, finishing a close second behind Liam McHale's Ballina, and earned promotion back to the top flight. However, following the 1985–86 season, Marian were relegated for a second time, returning again for the 1987–88 season. In 1986 and 1987, plans were put in place to reduce the number of imports a team can have. 80% of the clubs agreed that the number should be reduced from two to one, and with the support of the IBA, the ruling came into play for the 1988–89 season. There was a very negative reaction to the change in Cork, as they felt they were being unjustly treated and punished for being successful. The two main arguments made for the change was to give local Irish players more opportunities and to cut costs, with it becoming too expensive to pay two imports for some clubs. As a result of the change, the hype of Irish basketball began to wear down and the public became disinterested in the sport throughout the 1990s. Neptune continued to be the dominant team throughout the 1990s and early 2000s. Belfast's Star of the Sea began to challenge them in the late 1990s as they collected three National Championships between 1996 and 1998, and won two league titles in 1998 and 1999. In 1998, the league's long association with sponsor Budweiser came to an end, and thus ESB became the new sponsor. In addition, a new format was introduced for the 1998–99 season. A relaunch of the league was inevitable with the change of sponsor but the IBA also took the opportunity to devise yet another new format, which resulted in the expansion of the Superleague to 14 teams – effectively, an amalgamation of the two men's national league divisions from 1997–98. Due to the 2001 foot-and-mouth outbreak, the 2000–01 season was abandoned in March 2001.