Not only did they have to watch their biggest rivals lifting another domestic trophy after another season without one themselves, but it has had a damaging impact on preparations for the beginning of the new campaign.
Because the Gunners saw off Chelsea they were handed direct qualification into the group stages of the Europa League, pushing Spurs back into the second qualifying round that will take place on September 17.
The result almost meant that Wolves did not receive a place in Europe for next season, and Tottenham could now come up against the likes of Shamrock Rovers or Motherwell.
Arteta make his delight at European qualification clear after the 2-1 victory on Saturday, by saying: “We played probably the best 30 minutes after since I arrived. I am so proud to represent these players and this club.
“It is a double reward for us. It is really important for this club in every way to be in Europe. We all did it so I am so happy.
“The players were completely knackered and they made a massive effort through the coronavirus to keep fit so I am so happy for them.”
Mourinho and his playing staff celebrated after the draw against Crystal Palace secured them a final position of sixth place, but had mentioned earlier in the month that he believed his team to be above Europa League level.
“In quite a funny way, I’m telling the players: Two more victories to win the Europa League,” Mourinho said.
“I know it is not like that and the Europa League is a long competition and has some good teams, some from the Champions League, which makes it really difficult.
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“It’s just a feeling to try to motivate the boys because our level is Champions League.
“I’m just trying to motivate the troops. It’s not possible that Sheffield United, Wolves or Arsenal have more motivation than us to get one of these spots.
“To play in the Europa League is good, you can rotate players and it’s a fantastic experience for younger people who for them, Champions League comes too early.”