Arsenal have to score more in the second half to maintain their good goal advantage over the other teams at the top of the table.
Basically Arteta resting some players after the tough game with Manchester city last Sunday was necessary because they have more important matches ahead so reserving those players will help them not to have fatigue and would relax a lot to be able to face stronger matches. Pressure causes own goal so it was as a result of pressure that Luton conceded an own goal and that makes it more relief for Arsenal in the second half. Arsenal for sure needs more goals so that in a case of equal points at the top of the league, they gave have an advantage based on goal difference so scoring more goals at this point is very necessary within this period.
Arsenal match is live now and they are winning Luton already by 1:0 yet goal courtesy of Martin Ødegaard and assisted by Kai Havertz which is very good one for this game and they will still score more goals considering the pressure they are mounting on the Luton side, regardless that Liverpool is
topping by 2 points, Arsenal needs to continue winning their matches so that any slight mistake of Liverpool losing a game can give them chance of coming back to the top of the league and have chances of winning the league title.
Knowing that Arsenal has come up with an unexpected performance lately is a good one because if it is about their game against Luton Town, the game is actually theirs because, due to pressure, Luton Town doesn’t know when they give them their own goal, which is so horrible to Luton Town because instead of them getting a goal, they end up giving Arsenal a goal, though it is not funny.
Although from the start I didn’t even think Luton Town wouldn't get a chance in the game, and again, Arsenal are playing a home game, Arsenal will try their best to go back to their previous position in the league. That is why they will not take it easy on Luton Town, although the game is already in halftime, so before the end of the game we will see the winner and how the game will end, but to me, Arsenal are going back to their former position as the first in the table.
You know regardless of the fact that Luton is a weak team, it is not that easy as every one is thinking just that at this point Arsenal needs not to give room for any form of mistakes that is why they are utilizing every opportunity in this game against Luton so we should expect more goals from Arsenal in the second half.