Friday was a very special day for Usain Bolt as the Jamaican sprinter took part in a public training session with Borussia Dortmund.
It was labelled as Bolt's 'trial' with the club, though there have been doubts whether that's genuinely the case or nothing more than a marketing stunt from Dortmund's point of view.
However, according to sales and marketing executive Carsten Cramer, Bolt was always going to be "get a realistic assessment" of his footballing talents.
"He won't only juggle the ball three times and that is that," said Cramer. "He really wants it, and he will get a realistic assessment where he's at.
"It's been in the making for almost two years, and certainly also down to Usain Bolt's good relationship with our board member [and Puma CEO] Bjorn Gulden.
"Puma surely plays a role. But there is more: he always wanted it, was injured in between and then there was the Olympics."
Bolt has long expressed a desire to venture into professional football and now that he's retired from athletics, he's being given the chance to do just that.
DORTMUND'S NEW NO.9?
It remains to be seen whether something actually comes of training with Dortmund, but Peter Stoger's side are in need of a rapid striker following Pierre-Emerick Aubameyang's departure.
Nevertheless, Bolt's trial was streamed live on YouTube and it's safe to say the 100m world-record holder was put through his paces.
In the footage below - which is currently full-length at 1hour 15minutes long - Bolt goes through the usual warm-up before taking part in a couple of keep-ball drills and then a proper game.
BOLT'S TRIAL WITH DORTMUND
It's a very long video, so here's a breakdown of the five standout moments from Bolt's trial with Dortmund that you can flick to.
LOSES BALL WITH FIRST TOUCH (26:35)
Bolt didn't make the best of starts to the training game when he received the ball and then immediately gave it away with a loose pass.
CHEEKY NUTMEG ON SCUDERI (31:10)
But soon enough, the 31-year-old gave fans something to cheer about with a naughty - but perhaps unintentional - nutmeg on Dario Scuderi. It's a shame he didn't manage to keep the ball.
SCORES FIRST GOAL (42:20)
It took Bolt 16 minutes to find the back of the net but it was worth the wait when he latched onto Mario Gotze's cross and powered a header past the goalkeeper.
NO RIGHT FOOT (46:00)
"We have said that he's a very left-footed player" - the commentator's curse struck for Bolt as he missed a simple chance with his right foot that he ought to have scored.
DECENT PENALTY TAKER (59:35)
Cool as a cucumber, Bolt ended his trial on a high as he sent the goalkeeper the wrong way and fired his penalty into the top-right corner.
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