Tommy Bowe makes his return to action after almost six months out as Ulster lose 26-15 to Wasps in Thursday's pre-season game.
Australia international Christian Lealiifano says there were times during his recovery from leukaemia that he thought he would not play rugby again.
Ulster are set to sign Australia fly-half Christian Lealiifano before the Pro14 season starts on 1 September.
New Zealand international back Charles Piutau signs for Bristol from Ulster on a two-year contract, starting in 2018.
Audio & Video
Ulster Rugby's chief executive Shane Logan says the Irish province will sign an additional fly-half because of Paddy Jackson's absence from the squad.
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