There was a football tournament of three teams, A, B & C and each team played two matches. There are some patterns of each match; (i) Each team ge...

There was a football tournament of three teams, A, B & C and each team played two matches. There are some patterns of each match; (i) Each team get two points for scoring a goal to opponent team. (ii) Each team get one point extra scoring goal outside form D area. (iii) Each team get penalty of one point if it conceded any goal. Goal conceded means goal is scored by opponent team. (iv) Only three players from each team scored goal. Match of team A to B: B is winner in this match and B gets four points. Team A scored two goals in match against B. No player scored goal outside form D area. Match of team A to C: C has zero points in this match. Only one player from team A scored goal outside form D area. A has secured four points from this match. Match of team B to C : B gets six points from the match and team C scored one goal more than B. . Only one player from team B scored goal outside form D area.
Question: What is the sum of the maximum goals scored by a single player in each of the three matches?