The teenager stood up a great cross for Tom Bradshaw to head home and level the scores at 1-1. The Tykes went on to win 3-2, with Armstrong coming off in stoppage time having picked up a yellow card.

Also laying on a goal at the weekend was Siem de Jong, who came off the bench in the 77th minute to help PSV Eindhoven beat Heerenveen 4-3 on Sunday.

In League One, Macaulay Gillesphey played the whole game as Carlisle drew 1-1 at Accrington Stanley while Freddie Woodman, Sean Longstaff and Callum Roberts all started as Kilmarnock took on Hamilton Academical in the Scottish Cup.

Roberts was substituted in the 64th minute as the Accies scored a last minute penalty to knock Lee Clark's side out of the competition.

In France, Florian Thauvin played for 89 minutes as Marseille lost 3-1 to Lyon while in Spain, Emmanuel Riviere appeared as a 71st-minute substitute for Osasuna, picking up a yellow card as Osasuna lost 4-3 to Sevilla.

Back in the UK, Alex Gilliead was an unused substitute for Bradford as they drew 1-1 against Millwall.

And Paul Woolston was in goal for Blyth Spartans as they strengthened their grip on top spot in the Evo-Stik Premier Division with a 7-1 win against Mickleover Sports.

OUT ON LOANAdam Armstrong – Barnsley (end of season)Macaulay Gillesphey – Carlisle United (end of season)Alex Gilliead – Bradford City (end of season)Ivan Toney – Scunthorpe United (end of season)Paul Woolston – Blyth Spartans (work experience loan)Sean Longstaff – Kilmarnock (end of season)Callum Roberts – Kilmarnock (end of season)Freddie Woodman – Kilmarnock (end of season)Siem de Jong – PSV Eindhoven (season-long loan)Tim Krul – Ajax (season-long loan)Kevin Mbabu – BSC Young Boys (season-long loan)Emmanuel Riviere – Osasuna (season-long loan)Henri Saivet – Saint-Etienne (season-long loan)Florian Thauvin – Marseille (season-long loan)