This week we've seen a dog opting to "submerge herself" in mud ... thanks to their hilariously spirited game of tug-of-war. More From Newsweek Vault: The Top Rewards Credit Cards for Pet Owners ...

Here's a look at the skills competitions for this year's Pro Bowl Games and how the rules work ... complete all five legs earns the win. Tug-of-war was the new addition last season, and ...