Chest ache?

So i just finished playing soccer indoor and i was playing fine till i started felling a little tired and as i made sudden sprints and slowed down and took deep breaths in my chest like strains it might be my muscles then when i exhale it feels fine, it also feels fine when i breath normally. and now that i am relaxed my deep breaths are fine. this has never happened before and i have not played soccer or exersized for about a week. is this normal, am i just out of shape. i am sorry i could not really explain what happened.