Acquiring more bowling options to support pace spearhead Mohammad Siraj will be Royal Challengers Bangalore's top priority at the upcoming IPL auctions, team's Director of Cricket Mo Bobat said on Monday. RCB have retained 18 players, including star batter Virat Kohli, skipper Faf du Plessis, Glenn Maxwell and Mohammed Siraj, and released 11 players. (More Cricket News | December 18 Blog)