NEW YORK - The trustee and a group of creditors in the Chapter 11 bankruptcy of MF Global Holdings (MFGH) on Feb. 22 filed a brief in the U.S. Bankruptcy Court for the Southern District of New York objecting to more than $138.11 million in claims brought by a separate group of creditors against the MFGH estate on grounds that they are superseded by other claims valued at more than $162.97 million (In Re: MF Global Holdings Ltd., No. 11-15059, Chapter 11, S.D. N.Y. Bkcy.).