(Portland, OR)  --  The Trail Blazers will have three first-round picks in the NBA draft on Thursday.  Portland owns the 15th, 20th and 26th overall selections.  The Blazers will look at Purdue big-man Caleb Swanigan, Indiana center Thomas Bryant, Southeast Missouri State guard Antonius Cleveland, Dayton guard Charles Cooke, Arizona guard Kobi Simmons and Monmouth guard Justin Robinson in a pre-draft workout today.