There have been close to 700 triple plays in the history of Major League Baseball dating back to 1876. To put the number into perspective--and so you can really appreciate what a tremendous play it is--just since the MLB season expanded to 162 games back in 1962 there have been over 446,000 outs recorded.
That's not including extra innings and the post season! Anyway...the Yankees turned triple play No. 692 against the Baltimore Orioles Friday night: