Who's Sam Konstas who's set to play Boxing Day Test against India?

Australia batter Sam Konstas is set to replace Nathan McSweeney in the Boxing Day Test against India. The 19-year-old, who's from a Greek family, has 718 first-class runs at an average of 42.23. He also scored a century against India in 2-day Warm-up game, which took place during ongoing Border-Gavaskar series. He has been mentored by ex-Australia batter Shane Watson.