Barnet manager Rossi Eames praised teenager Jack Taylor after he came off the bench to score a stoppage-time winner against Luton.
The 19-year-old replaced his brother, Harry, after 36 minutes when the latter was taken to hospital after leaving the pitch with blood pouring from his head.
Eames confirmed that Harry Taylor will need facial surgery after the game, but his younger sibling scored the winner with a 25-yard curling effort in the 90th minute.
"Jack has that quality in him which I've seen. He's had a quiet start to the season but that will really kick him on now," Eames said.
"He's had an up-and-down pre-season due to niggling injuries and not so many minutes but I'm really pleased for him to get off the mark.
"We lost both wing-backs and we're waiting to hear what the x-ray says about Elliott Johnson but it doesn't good.
"We know that Harry Taylor is going to need cosmetic surgery on his face which is poor for us because he'll be out for a while."
It is the second win of the week for the Bees after they beat Peterborough 3-1 in one of the biggest shocks of the Carabao Cup first round.
"It was an ugly game with that little bit quality at the end," added Eames. "We take every game as it comes and we want to compete. The fans have played a massive part this week with the noise they made."
Luton manager Nathan Jones rued his sides inability to keep it simple in a result which was a stark contrast to last weekend, when the Hatters ran riot over Yeovil Town and won 8-2.
"We were nowhere near the levels that we were last week," Jones said.
"It's the worst thing that could have happened to us. Consistency troubled us last year and we've tried to change that so hopefully it won't creep in this year.
"We didn't pass the ball well enough to cause them a problem. We didn't win our headers, we didn't get our foot in the game. If we do the basics right then we should get a draw as a minimum.
"Barnet worked hard and had a good structure about them. They could be a surprise package this season.
"It was a real sticky pitch today from the sand and so on. To be honest I think their boy (Elliott Johnson) got injured because of the pitch.
"Pelly Ruddock showed great endeavour with his running but apart from that no-one really had any cutting edge.
"We should've just cleared our lines in the build-up to their goal. There was maybe a foul in the build-up to the goal but if you clear your lines you don't get those sorts of problems."