Arsenal knew exactly what they were getting when they signed Granit Xhaka from Borussia Monchengladbach this summer; not just a highly-rated midfielder but a player with a significant disciplinary record, also.
And the 23-year-old showcased that again on Tuesday evening, as Switzerland earned a surprise 2-0 victory over current European champions Portugal, after being sent off following a second yellow card in the 92nd minute of the match.
No doubt Switzerland boss Vladimir Petković will be annoyed by the Xhaka's late yellow which will mean he misses their next fixture. However, the incident is just a sign of what Arsenal fans should expect over the course of the season.
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Xhaka has only played the full 90 minutes once for Arsenal this season, in their most recent Premier League fixture against Watford. But a booking on his league debut against Liverpool was just a sign of things to come, and his sending off against Portugal showed why.
Just two players committed more fouls in the Bundesliga last season than Xhaka, who conceded 73 fouls and is the second-most red carded player in Europe's top five leagues over the past three seasons.
But despite it being of concern to Petkovic, some Arsenal fans expressed their delight at the Swiss midfielder getting sent off, in order to reduce the player's time spent on international duty. However, some judged it to be a big concern, considering his long-term record.
But luckily Xhaka's very late dismal was just a slight blotch on what was an otherwise promising evening for the Swiss.
Eder forced the first save of the game, after just six minutes. However, despite the visitor's bright start to the match, Breel Embolo was on hand to head in the rebound from a 25-yard free kick after Rui Patricio could not keep the shot within his grasp.
And it was Switzerland who found the net again with just under 15 minutes of the first half remaining, with Admir Mehmedi's 15-yard strike finishing a Swiss counter attack.
Raphael Guerreiro saw his shot deflected just before half time, while Bernardo Silva went close with a 25-yard strike in the second half. But despite all their efforts, Xhaka's sending off came too late for the visitors to make the most of their one-man advantage.
Will Granit Xhaka's disciplinary record prove to be a problem for Arsenal? Give your opinion in the comment box below.