Ajax's winning run in the 2021/22 Champions League continued on Wednesday evening.The Dutch outfit beat Borussia Dortmund away from home by a scoreline of 3-1, with Sebastien Haller and Davy Klaassen's late goals securing all three points.It was certainly an entertaining game in Germany, one which saw Mats Hummels dubiously sent off just before the half-hour mark for a tackle on Brazilian winger Antony.On replay, it appeared to be nothing more than a routine foul by the defender, one that was worthy of a yellow card at most.But VAR stepped in and controversially declared that the tackle should be punished as severely as possible.Take a look at the incident here...

Video: Hummels' eyebrow-raising red card vs Dortmund

In our opinion, that's a very poor call from Michael Oliver.

Dortmund still managed to take the lead with 10-men, though, Marco Reus firing home from the penalty spot just before half-time.

But Ajax came back strongly in the second period and they were deservedly level in the 72nd-minute through the talismanic figure that is Dusan Tadic.

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And the Serbian forward well and truly put his body on the line to equalise for the Dutch side at Signal Iduna Park.

Tadic just about managed to guide the ball over the line from close-range, but milliseconds after he converted the chance, the former Southampton man crashed into the post.

Unfortunately, it was his private parts that took the full force of the collision...

Video: Tadic put his body on the line vs Dortmund

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Ouch. Dusan is now the proud owner of the most painful-looking Champions League goal in history.

Fortunately, the 32-year-old was able to continue playing after losing his fight with the post in agonising fashion.

Ajax are now officially through to the knockout stage of the 2021/22 Champions League and they're certainly going to be a tough team to stop in Europe this season.

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The likes of Tadic, Haller and Antony are all performing to a ridiculously high standard and who knows, they may even emulate the team that reached the semi-finals back in 2018/19...

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