On-loan Yeovil striker Luke Freeman was forced off with a suspected broken leg in the defeat at Bristol Rovers.
The Glovers had Jean-Paul Kalala sent off for two bookings before the Arsenal youngster was caught with a high challenge.
Manager Terry Skiverton said: "It's difficult with JP (Kalala) because I don't want to restrain the boy.
"He runs about and gets his foot in for us and I like that. I'm not going to change him as a player and make him stand off. It's just the silly bookings and the second one was a silly one. We had a chat to him in the dressing room and he knows how I feel about it.
"There were a few tackles against us that were close to the mark and Luke (Freeman) has been caught on his shin.
"He's going for an X-ray. We think it could be a broken leg so we're hoping that doesn't prove to be the case."