I can expand on not advocating low carbs for an athlete. There is some sort of craze going on in America where low carb diets are big right now. The whole country wants that lean, athletic look, but the only problem is it is a "look". An athlete concerned with performance should only care about performance. A low carb diet leaves one feeling depleted and weak and without much endurance. If you are training hard, and eating clean, you won't get fat. Low/No carb diets work wonders for sedintary people or those who workout with low intensity (like pussies, underwear models, etc.). A 275lb powerlifter NEEDS carbs. An elite athlete cannot eat like an average person on an average diet like Atkins or something, and an elite athlete who competes at a body weight of ~100lbs more than the avg. person weighs really can't afford to eat like an average person.
A lot of clean carbs, like oatmeal, whole wheat bread and bagels, wheat pancakes, etc. will make you feel full and energized, and they do not pack excess fat on you.
I weigh about 270. I eat something like this.
8:30 AM
12 egg whites, 3 slices whole wheat toast, 3 servings of oatmeal.
11:30 AM
1/2 lb ground beef, 1 box Kraft Mac and Cheese
2:30 PM
2 scoops of Cytosport's Muscle Milk with 2 cups of skim milk a banana and 2 tablespoons of natural peanut butter mixed in.
5:30 PM
1 lb of boneless, skinless chicken, 3 servings of brown rice, 3 servings of a vegetable, and then something for dessert, either a candy bar or some pie or cake or something.
8:30 PM
2 scoops of muscle milk with 2 cups of skim milk, 2 whole wheat bagels with natural peanut butter (OR) a pizza with ham and pepperoni, and some Oreo cookies or a couple scoops of ice cream or something like that.
11PM
2 Cans of tuna fish with miracle whip, 4 slices of whole wheat bread.
What I try to worry about isn't so much a specific ratio, but I just say to myself I need a shitload of protein, a shitload of carbs, whatever fat happens to get in the way, and some sugar to keep my cravings down. I drink a gallon of skim milk throughout the day, a lot of Gatorade, a lot of water, and if I get the urge for an Iced Tea or a Coco-Cola I have 1 or 2, but I try to keep it few and far between.
Some tips are either have desserts like I do, or buy some of those little, mini snickers bars to snack on, or you will go crazy and after a week will eat 5 gallons of ice cream, trust me. Take a multi Vitamin, Vitamin C and also if you drink alcohol, it is good to add an additional B-Complex Vitamin because you will lose them through dehydration. I don't count anything, except protein, the rest I just go by feel. Sugar is the least important and is just good in small amounts to satisfy cravings, protein, fat and carbs are necessary staples of any athlete's diet.
What you have to keep in mind is forget about conventional diets for Joe Average. Look how you train....If you ate like this and your workout looked like this.....Bench Press 3x8-10, Incline Press 3x8-10, and Cable Crossovers 3x10-15, you'd get fat, and very fat, but look how you train, what class you compete in, and you'd see that extradorinary physical feats require not so average measures.