Jaleco Mega System 1-C hardware

Main CPU : Motorola 68000 (@ 12 Mhz)
Sound CPU : Motorola 68000 (@ 7 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.5 Mhz), (2x) OKI6295 (@ 30.303 Khz)

Players : 2
Control : 8-way joystick
Buttons : 3
offense => [A] Short pass, [B] Long pass / Shoot, [C] Fake play
defense => [A] Sliding tackle, [B] not used, [C] not used

Released in November 1992 in Japan.

A bootleg/hack of this game is known as Best League (released in 1993, contains Serie A teams instead of the national ones).