How much protein is in an 8 oz center cut sirloin?
                                
                                
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                                    3 min read                                
                            
                                According to USDA data, a cooked, lean 8 oz portion of top sirloin can contain over 60 grams of high-quality protein. So, how much protein is in an 8 oz center cut sirloin, and what factors cause that amount to vary?