NEW YORK - Jon S. Corzine, former CEO of bankrupt MF Global Holdings (MFGH) Ltd., and his co-defendants on July 22 filed a brief in the U.S. Bankruptcy Court for the Southern District of New York arguing that the lawsuit filed against them by the trustee should be dismissed because the complaint fails to state a claim (Louis J. Freeh v. Jon S. Corzine, et al. $(In Re: MF Global Holdings Ltd., Adv. No. 13-01333, No. 11-15059, Chapter 11, S.D. N.Y. Bkcy.).