G-O-A-T

If you're an athlete, you don't want to play like a goat, but you definitely want to be a G-O-A-T.

In the world of sports, being a goat is usually a negative.

You do something really bad -- something that messes up a game, a series or even your career.

Think baseball player Bill Buckner, who made a fielding error that cost the Red Sox game six of the 1986 World Series.

Or basketball player Chris Webber, who called a timeout that his team didn't have. His mistake caused the Michigan Wolverines to lose the 1993 NCAA championship.

One simple error and you become a sports goat.

But sometimes, being a goat is a good thing. As in G-O-A-T: Greatest Of All Time.

According to Fred Bowen of The Washington Post, New York Yankees pitcher Mariano Rivera is a GOAT. Probably the greatest relief pitcher of all time, he achieved more than 650 saves and a stellar postseason record.

Soccer star Abby Wambach is a GOAT, with the record for the most career goals in international matches, more than any other man or woman. To be the greatest, you have to set records and win either world championships or...