Dustin Johnson headed to Nelson
Johnson, fifth in the FedExCup points, will make his fifth Nelson appearance. He's finished in the top-20 three times, but hasn't played in the tournament since 2011.
Schwartzel, who finished third at the Nelson in 2013, returns after playing solid golf this season with top-25 finishes in five of his seven events.
Moore lost to Adam Scott at the 2008 Nelson, falling short on the third playoff hole. Moore is 12th in the FedExCup standings.
The full field will be finalized on Friday afternoon.