the off season). They replaced Ricoh Black Rams and Mitsubishi Sagamihara DynaBoars. The following teams were in the league: Coca-Cola West Red Sparks Fukuoka Sanix Blues IBM Big Blue Kintetsu Liners Kobelco Steelers Kubota Spears Kyuden Voltex NEC Green Rockets Sanyo Wild Knights Suntory Sungoliath Toshiba Brave Lupus Toyota Verblitz Yamaha Jubilo Yokogawa Musashino Atlastars Fifth season (2007–8) Kyuden Voltex and Mitsubishi Sagamihara DynaBoars joined the league for the first time. The following 14 teams were in the Top League in the 2007–08 season: Coca-Cola West Red Sparks Fukuoka Sanix Blues IBM Big Blue Kobelco Steelers Kubota Spears Kyuden Voltex Mitsubishi Sagamihara DynaBoars NEC Green Rockets Ricoh Black Rams Sanyo Wild Knights Suntory Sungoliath Toshiba Brave Lupus Toyota Verblitz Yamaha Jubilo The top four teams (Sanyo, Suntory, Toyota and Toshiba) played in the fifth Microsoft Cup to decide the league champion. Suntory beat Sanyo 14–10 in the final to become the 2007–08 champions. Mitsubishi (14th) and Ricoh (13th) were automatically relegated. Fourth season (2006–7) The number of teams was increased from 12 to 14. Coca-Cola West Red Sparks became the second Kyushu-based team in the Top League. IBM returned to the league. Coca-Cola West Red Sparks Fukuoka Sanix Blues IBM Big Blue Kobelco Steelers Kubota Spears NEC Green Rockets Ricoh Black Rams Sanyo Wild Knights Secom Rugguts Suntory Sungoliath Toshiba Brave Lupus Toyota Verblitz World Fighting Bull Yamaha Jubilo The top four teams in the league played in the Microsoft Cup which was officially integrated into the league from this season as the "Top League Play-off Tournament Microsoft Cup". Toshiba won the cup and also won the All-Japan Championship. Secom and World (13th and 14th) were automatically relegated, to be replaced by Kyuden Voltex, the third team from Kyushu to enter the league, and Mitsubishi Sagamihara DynaBoars from Kanto. Twelve teams 2003 to 2006 Third season (2005–6) After the pre-season 2005 Challenge series, Secom and Sanix returned after a year out of the league, replacing Kintetsu and IBM. The following 12 teams competed in the third season: Fukuoka Sanix Blues Kobelco Steelers Kubota Spears NEC Green Rockets Ricoh Black Rams Sanyo Wild Knights Secom Rugguts Suntory Sungoliath Toshiba Brave Lupus Toyota Verblitz World Fighting Bull Yamaha Jubilo Toshiba again won both the league round-robin and the Microsoft Cup knockout competition contested by the top 8 teams after the regular season. Coca-Cola West Japan (now Coca-Cola West Red Sparks) gained promotion