Dunn will start in Saturday's preseason game against the Spurs, Duane Rankin of The Arizona Republic reports.
Dunn is getting the start with Miles Bridges (ankle) unavailable for Saturday's exhibition. As a starter last season, Dunn averaged 9.3 points, 5.4 rebounds, 2.1 assists, 1.3 triples and 1.3 steals per game.