In the footage, Mason Greenwood can be seen beaming as the former Manchester United star signs autographs for young fans hours before his official appearance at Getafe.
In a clip the club posted on Twitter, Greenwood can be seen posing for snaps with children and autographing their shirts and footballs.
A fan had already got his hands on a replica of Greenwood’s number 12 shirt, which he wore backwards while embracing the forward.
Greenwood will be officially presented to the fans tonight at 19:00 local time, along with the other Getafe summer signings at the Coliseum stadium in Madrid.
Greenwood trained with his new club Getafe for the first time this morning – more than 18 months since his last game for Manchester United.
The striker was pictured training with his Getafe team-mates as he prepares for his expected debut with the La Liga side later this month.
Greenwood was recently spotted training alone with his father at a park – but this is the first time he has attended full team training in well over a year.
Greenwood is highly unlikely to be fit to play – and snaps of him training suggest he is focused on strength and conditioning.
Getafe also posted a clip of fans enthusiastically welcoming Greenwood to the training ground near Madrid.
The caption read, “We Love You Mason Greenwood.”
Greenwood broke his silence yesterday after being pictured with his Getafe shirt for the first time since leaving Manchester United.
The 21-year-old forward has been offered a path back to football by the La Liga side.
In a message to fans, he said: “Hello Getafe fans, this is Mason.”
“I’m so happy to be here and can’t wait to get started.”
Getafe also posted a snap of Greenwood holding up the club’s blue home shirt on Twitter.
The caption read “Mason Greenwood ya esta aqui” – meaning “Mason Greenwood is here”.
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The Spanish club announced the deal just minutes before the summer transfer window deadline on Friday.
United receive no loan fee and cover the bulk of his £75,000-week wages during his time in Spain.
A club statement continued: “The move allows Greenwood to rebuild his career away from Manchester United.”
“The club will continue to offer their support to Mason and his family during this transition period.”
Greenwood may not make his debut until September 17 when Getafe host Osasuna.
This comes after United announced that Greenwood had agreed “by mutual consent” to leave the club following an internal investigation into his arrest.
He was arrested in October last year but all charges were dropped by Crown prosecutors in February.
Greenwood has two years left to run, with an option for a further 12 months if the club wish to tackle that.
Had he not been sacked, the club could have faced a payment of almost £8million.
This comes after new details emerged about Greenwood’s transfer to Getafe – including the striker’s shirt number and his £75,000-a-week salary.