Soccer injury?

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During a soccer game a week and a half ago, I took a knee to the ribs. I took a ten minute breather and then I got back into the game. It didn't cause me to much pain during the game, but after I was seriously worried about it. I figured it was either a broken or bruised rib, and that even if i went to the doctor there would be nothing i they could do about it. I let it rest and it was getting better, until I got another (much softer) hit in the chest. Today during practice my chest hurt when ever I had the slightest upper body contact. I have a BIG a game in 4 days. should I just take it easy till then and expect to play, or go see a doctor wich i'm afraid to do cuz they never actually look at my injury and always just blow me off with the same answer 'let it rest for two weeks and see how it is after that'