Slow Cooked Beef and Spaghetti

2-3 pound beef roast (I used tri tip since that is what I had)
2 tablespoons vegetable oil
1 medium onion, chopped
4 garlic cloves, minced
2- 28 ounce cans crushed tomatoes
2 teaspoon oregano, dried
2 teaspoons basil, dried
cooking spray

1. Season roast with salt and pepper. Heat oil in large skillet over medium heat. Add roast and brown on all sides.
2. Spray crock pot with cooking spray. Place roast in the crock pot. Add onions, garlic, tomatoes, oregano, basil, salt and pepper.
3. Cook on low for 8 hours. Slice and serve over the top of spaghetti noodles.