In the 1930s, he revolutionized greenskeeping practices in the southern United States when he oversaw the transition of the putting surfaces at Pinehurst No. 2 from oiled sand to Bermuda grass. Ross also designed the course at Sedgefield Country Club in Greensboro, North Carolina which is home to the PGA Tour's Wyndham Championship. Currently, Sedgefield Country Club is one of only two regular Donald Ross designs on the PGA Tour (along with Detroit Golf Club which began hosting the Rocket Mortgage Classic in 2019). Aronimink Golf Club, located in Newtown Square, Pennsylvania, played host to the AT&T National in 2010 and 2011.