By Kelsey McCarson for bleacher report (Photo by Eric Jamison/AP) Manny Pacquiao is running out of options. Coming off the most lucrative fight in boxing history against the since-retired Floyd Mayweather Jr. and back from a shoulder injury that kept him from performing his best in the 12-round decision loss, Pacquiao would appear to need his old rival, Juan Manuel Marquez, more than ever now if he’s to return to boxing. According to the Las-Vegas Review Journal's Steve Carp, Pacquiao will indeed make his way back to the ring sometime in early 2016. If that’s the case, Pacquiao-Marquez 5 is Pacquiao’s only real option. Marquez hasn't been inside a boxing ring for over a year now since suffering a reported knee injury against Mike Alvarado in May 2014. Marquez was the victor that night, but as with Pacquiao, it seems the rough and tough ring wars he'd endured over his legendary career are finally starting to catch up to him. But as noted by USA Today's Mike Coppinger, Marquez still