MANILA, Philippines–Former world title challenger Giemel Magramo had to shed extra weight before getting the go-signal to meet Marco John Rementizo in Manny Pacquiao Presents Blow-By-Blow on Thursday at Okada Manila. Magramo, who battled Japanese pound-for-pound entrant Junto Nakatani for the WBO flyweight title in November 2020, tipped the scales at 115.9 pounds in his first try. But during his third try, Magramo weighed in at 114.5 pounds. REA…