Everybody talks about Nick Bosa. Everybody talks about Fred Warner. But Dre Greenlaw might be the glue that holds the entire defense together. When Greenlaw is on the field, Fred Warner plays faster, and the entire defense becomes more aggressive. 🔥 How much better is this defense with Greenlaw? 👇 Drop your answer below. #49ers #DreGreenlaw #NFL #NinerGang #FaithfulToTheBay