Martinez was pleased with their FA Cup win over Swansea City.
"We are in a moment of the season where everyone is back in the squad. Antolin Alcaraz could've been back in the squad for the game.
"I am excited and really pleased. It is about having everyone ready. I am pleased with the numbers we have and anyone in the squad is capable of coming on and making a big contribution, like Steven Naismith and Leon Osman did. That is going to be key between now and the end of the season. We have 13 finals in the league and in the same manner, we want to enjoy the next round."