Norfolk Police said the pair were arrested after a man in his 60s reported that he was punched outside Norwich's stadium Carrow Road.
It is also believed an object was thrown at the man, who suffered a cut to his chin, the force added.
He was seen by paramedics at the scene and did not require further treatment.
Police said a man in his late teens was arrested on suspicion of assault GBH.
Another man, in his 50s, was arrested on suspicion of assaulting an emergency worker.
Both men were in custody on Sunday night.
Keep up with all the latest news from the UK and around the world by following Sky News
