Swindon Town have taken three players on trial including Millwall striker Kiernan Hughes-Mason.
The 19-year-old featured for the Robins in Wednesday's friendly win over non-league Swindon Supermarine.
French striker Yoann Arquin, 22, on trial from Paris Saint-Germain, opened the scoring.
Darren Murray from Ireland also got a run-out in the game, although none of the three are expected to go on Swindon's tour of Austria.
Swindon manager Danny Wilson said: "They're not high priority, they're just young lads we're looking at for later on down the line."
Millwall have allowed Hughes-Mason out for two games with Swindon and he is due to play on Friday against Hereford United.
Swindon have already signed three players this summer in David Ball, David Prutton and Michael Rose and are in the market for more.
"We've put bids in at clubs in three or four cases and we're just waiting for the outcome," said Wilson.
"It's a slow process. You just have to bide your time and be patient."
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