Arsenal were without the injured quartet of Bukayo Saka, Gabriel Jesus, Gabriel Martinelli and Kai Havertz - and Arteta praised Merino for stepping up.
Mikel Arteta hailed Mikel Merino after he came off the bench and fired Arsenal to victory over Leicester.
Merino scored twice in the space of six minutes late on as the Gunners beat Leicester to close the gap on Premier League leaders Liverpool to four points.
We’re going to have various contexts, sometimes we’re going to have to make a sub because a player is not performing or because the opposition is doing something else or because he’s got a yellow card or he’s fatigued.
The moment you start to draw options there are too many, and at the end, you have to have the picture in your head of what can work and what are the variables and the options and the synergies within the team.
