Now that Celgene Corp. has made its $9 billion move to take over Juno Therapeutics Inc., advancing in the ever-hot chimeric antigen receptor (CAR) T-cell space, speculation has turned to the ultimate odds of dominance, eventual sales numbers if the CD19-targeting JCAR-017 wins FDA clearance, and how that new deal fits alongside Celgene’s existing anti-B cell maturation antigen (BCMA) pact with Bluebird Bio Inc.