UPDATE 2-Bill Gross's Janus Bond Fund sees inflows spike in Sept-Morningstar

NEW YORK, Oct 8 (Reuters) - Bill Gross's Janus Global Unconstrained Bond Fund attracted $66.42 million in net inflows in September, increasing its assets more than six-fold last month when the former Pimco bond fund star announced his departure to join Janus Capital Group Inc, according to research firm Morningstar.