1997–98 Primeira Divisão
The 1997–98 Primeira Divisão was the 64th edition of top flight of Portuguese football. It started on 25 August 1997 with a match between Varzim and Porto, and ended on 17 May 1998. The league was contested by 18 clubs with Porto as the defending champions. Porto won the league and qualified for the 1998–99 UEFA Champions League group stage, along with Benfica, who qualified for the second round. Braga qualified for the 1998–99 UEFA Cup Winners' Cup first round, and V. Guimarães, Sporting CP and Marítimo qualified for the 1998–99 UEFA Cup; in opposite, Leça, Varzim  and Belenenses were relegated to the Liga de Honra. Mário Jardel was the top scorer with 26 goals. Promotion and relegation. Teams relegated to Liga de Honra. Espinho, União de Leiria and Gil Vicente, were consigned to the Liga de Honra following their final classification in 1996–97 season. Teams promoted from Liga de Honra. The other three teams were replaced by Campomaiorense, Varzim and Académica from the Liga de Honra. League table. <onlyinclude></onlyinclude>