The secret sauce behind the best teams isn't what you think

What do the world's greatest sports teams have in common?

The Wall Street Journal's founding sports editor, Sam Walker, wanted to find out, so he did some digging. He looked at the 16 best sports teams of all time and found out that it's not about having full coffers or an amazing coach. Strategy and a star player aren't the common thread either. In his new book, Walker posits that the most important factor are the captains.

He joined MPR Senior Producer Steph Curtis for a conversation about the key role of "The Captain Class."

Use the audio player above to hear the full discussion.