Crock Pot Pork Chops with Mushroom Gravy

6 pork chops, browned
1 onion, chopped
3 T. catsup
10.5 oz can cream of mushroom soup
2 t Worcestershire sauce

Place pork chops and other ingredients into crockpot and simmer about 4-5 hours. Serve with rice, noodles or potatoes.