<p>Did you know you can call a do-over in Tennis? That&#39;s right - a do-over. Find out about this rule and why it still exists in the rule book.</p>

Special Edition 27: Golf's Ettiquette Rules

Discover some of the strangest, obscure or downright silly rules in sports that have you asking “is that a dumb rule?” Listen in on the conversations between two sports enthusiasts wanting to answer this question. Some rules you already know, others are the industry’s best-kept secrets. Find out what they are, the history behind them, and judge for yourself if it’s a dumb rule or not! 