HELP WEEK 13, WES WELKER OR RANDY MOSS?

Im in a ppr league and so far ive got r.moss, welker and owens as my starters for this week and l.moore at flex. But i wanna play VJax this wek against ATL. both moss and welker are playing PIT, which is gonna be tough, last week welker and moss both had the same amount of recpetions but moss did better... what to do..my other recievers are k.walter, l.moore,