Tetsuto Yamada homered and drove in four runs to help move Japan to within two wins of the Tokyo Olympic gold medal game with a 7-4 group stage win over Mexico on Saturday afternoon.With their victory at Yokohama Stadium, the Japanese improved to 2-0 in Group A and booked a spot in Monday's game against the United States for a place in the semifinals.Masato Morishita allowed two runs over five innings to earn the win. Hayato Sakamoto homered and scored twice, while catcher Takuya Kai had three hits, scored two runs and drove in one."Our starter Morishita surrendered the first run, but did a…READ FULL ARTICLE