The 22-year-old midfielder was making his baby a bottle of milk the night before his side's League Two clash against Wycombe Wanderers on Saturday - and managed to spill it all over himself, burning his nipple so badly that he had to go to hospital.
"Adam Chapman, like this good dad he is, was making his baby some milk and he managed to shake the bottle up and down, but he didn't put the lid back on properly," manager Chris Wilder told BBC Radio Oxfordshire.
"He burnt his chest and had to go to hospital for a check up.
"He's burnt all his nipple. It's an unusual injury, but he's managed to play the game. We talk about injuries and what I have to go through in this job.
"It's ridiculous. It is a new one for me, hopefully he'll be okay in the future."
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