Career
A right-arm fast-medium pace bowler, he made his One Day International debut for Sri Lanka against India on 2 November 2014. After poor performance by Sri Lanka spearhead Lasith Malinga during Pakistan ODI series in 2015, Gamage was brought to the squad for last ODI as an injury to Nuwan Pradeep. He was able to took one wicket in the match, but show the ability to swing the ball.