McBurnie had headed the Swans in front just before the hour mark, Max Lowe got Darren Wassallรขโฌโขs side back on level terms with a fluke clearance from the left following heavy pressure from the home side.
Little more than 120 seconds had elapsed when Ivan Calero tapped in a teasing right wing cross to complete the comeback as Derby recorded their second Barclays Under 21 Premier League รขโฌโ Division 2 win of the season.
Swansea City: Vickers (Zabret, 45), Shephard, Alfei, Fulton, Rodon, Gogic, Biabi, Sheehan, McBurnie, Jones, Hedges
Substitutes not used: Jones, Davies
Swans coach Gary Richards: รขโฌลWe have not reached the levels we have performed in the first three games tonight.
รขโฌลWe did not control the game or pass the ball enough losing possession too much when it counted meaning the game became stretched.
รขโฌลWe were not at our best first-half but started the second much brighter with Ollie McBurnie scoring at a good time for us.
รขโฌลBut Derby have kept pushing and equalised through a freak goal that has caught-out Gregor (Zabret) and punished our defending minutes later with the second goal.”
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