The experienced pair were both dropped for the first time in their Latics' career and watched as their team-mates secured a vital - if controversial - late 2-1 win over Newcastle.
Martinez kept faith with the same side who dumped Everton out of the FA Cup the previous week to reach an historic semi-final debut for the club.
And the Spaniard is adamant his selection policy will follow similar lines as they step up their bid to escape relegation.
"The message in the dressing room is very simple: if you play well you keep your place, if you don't you can't progress," said Martinez.
"That is a situation we are in. There is real good competition, daily standards are high and I will let football make the decision.
"I will assess what happens on the pitch and we will take it from there for the next game.
"I felt the team which played against Everton deserved continuity and we showed a real togetherness and character which has given us three points.
"We have a very competitive squad and we have a unique situation at the club where we are involved in two competitions in mid-March - something which only happens at top clubs."