Arsenal boss Wenger disappointed Sherwood axed by Spurs
Sherwood became the second Premier League manager to lose his job after the final day of the season on Sunday, following West Brom's decision to part company with Pepe Mel on Monday.
Wenger said: "Tottenham manager or any other manager it's always sad when someone loses their job. The worrying thing is the rotation of managers is very good and that is not good.
"I believe technical stability is important for the quality of the game."
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