Arsenal forward Gabriel Martinelli once had a trial at Manchester United, where he took photos with several of the first team players.
Martinelli scored twice in three minutes as Arsenal beat Standard Liege 4-0 in their Europa League group stage clash on Thursday.
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The 18-year-old signed from Ituano in the summer, but United had the chance snap the Brazilian up in the past, while he also spent time at Barcelona.
"From 2015 to 2017, I went to train there [at United] four times for around 15 days at a time," he told ESPN Brasil in March.