Not every great player is also a great leader. Not every great leader is a great player. The two don’t necessarily go hand-in-hand—and there are plenty of examples of players going in one direction without possessing the other.
Former Pittsburgh Steelers center Maurkice Pouncey was both, even if his greatness as a player was more overtly obvious to the layman, as it always is, since so much of what is involved in ‘leadership’ takes place behind the scenes. But we have heard more than enough from his teammates over the years to understand with what regard he is held.