By Dan Hiergesell@MiddleNameCorey
Former LFA fighter Marcus McGhee made a huge Octagon debut earlier tonight (Sat., April 29, 2023) at UFC Vegas 72 live on ESPN2/ESPN+ from inside UFC Apex in Las Vegas, Nevada, filling in for Brian Kelleher on three days notice and stopping bantamweight Journey Newson with a second-round submission (rear-naked choke).