Drummond joined Tom Brewster in the 2010–11 curling season as his third, and won the Scottish Men's Curling Championship with Brewster in 2011. They represented Scotland at the 2011 Ford World Men's Curling Championship, and finished in second place with a loss in the final to Jeff Stoughton. They won the Scottish championship again in 2012, and repeated a second-place finish in the 2012 World Men's Curling Championship with a loss in the final to Glenn Howard.