Japan head into the first test with Ireland showing five changes and one positional switch from the team that started last week's 33-21 win over Romania.Head coach Jamie Joseph named his 23-man squad Thursday for Saturday's game at Shizuoka's Ecopa Stadium following a week that saw Harumichi Tatekawa, Akihito Yamada, Yu Chinen and 98-cap veteran Hitoshi Ono all pull out of the squad with injury.In the backs, William Tupou wins his first cap and links up with Coca-Cola Red Sparks clubmate Timothy Lafaele (who moves from 13 to 12) in the centers. Yu Tamura gets the nod at flyhalf, while Kotar…READ FULL ARTICLE