Arsenal's bad-tempered 2-2 Premier League draw at Manchester City last weekend dominated the headlines with the Gunners playing the second half with ten players.
Leandro Trossard's red card just before the break turned the contest on its head as the Belgium international was dismissed for a second booking.
Referee Michael Oliver was firm in his decision to banish Trossard for kicking the ball away after signalling for a City free-kick.
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Officials are taking a hard-line approach to time-wasting and the delaying of restarts (including throw-ins, free-kicks and goal-kicks) this season with Trossard the latest Arsenal player to be punished.
Declan Rice was dismissed for a similar offence in the 1-1 draw with Brighton & Hove Albion earlier this month and Mikel Arteta was furious at full time.
Despite a defensive masterclass from Arteta's side in the second period, John Stones' 98th minute goal snatched a draw for Pep Guardiola, with Trossard watching on from the Arsenal locker room.
Trossard's one-game ban saw him miss the 5-1 midweek EFL Cup win over Bolton Wanderers ahead of hosting Leicester City in league action on September 28.
Is Leandro Trossard playing vs. Leicester City?
Trossard is expected to return to Arsenal's starting XI against Leicester City with his two yellow cards at the Etihad Stadium triggering a one-match absence.
Suspensions incurred in the Premier League can be carried into domestic cup competitions (EFL Cup and FA Cup) but not into European tournaments.
Leandro Trossard's Premier League suspension
The decision to send off Trossard was assessed by the Premier League's Key Match Incidents panel earlier this week to check if the decision was correct and if further action was needed.
The panel indicated in their decision that "Trossard clearly delays the restart by kicking the ball away" but the verdict was not unanimous.
One panelist noted "the split-second nature of the kick away was enough of a mitigating factor" to prevent the need for a suspension increase to two or three games.
