jose aldo and conor mcgregor may have taken the spotlight over the past two weeks when it comes to the ufc 's featherweight division .
but this weekend it 's time for two other top ranked 145ers to take centre stage , as no 1 ranked chad mendes and no 4 ranked ricardo lamas meet in fairfax , in a bout which could potentially determine the next challenger to the title .
mendes ' only two professional losses have come at the hands of the brazilian king and lamas also dropped a decision to aldo when the two met in february .