Sam definitely hadn't considered any of those things. He had taken Oliver's word that it was a sports related injury but the man had been reluctant to talk about it. Maybe it was something worse that he wasn't ready to talk about. He frowned to himself, worried now about what Oliver could be hiding.
"Um...I'll-I'll just ask him next time I see him. Bring it up gently in case it is something bad. We should probably get to the sports store."