a matter of law during trial 'Wholly waives the right to mount any post-trial attack on the sufficiency of the evidence." Murphy v. City of Phila. DepY of Recreation, No. 07-4104, 2011 U.S. Dist. LEXIS 94358, at *9, [WL], at *3 n.l (E.D. Pa. Aug. 19, 2011) (citations omitted); see also Jeckell v. Crestwood Area