japan j1 leagueProfitable Tips for J1 League. This page is a collection of football betting tips and predictions for the Japan J1 League. We cover a wide-range of markets, such as Overs and Unders, BothAfter 178 matches played in the Japanese J1 League, a total of 402 goals have been scored (2.26 goals per match on average). The menus above provide access to league-level statistics