As a baseball fan let me just say...

...FUCK YEAH! --> (link)



As he ran, Souza knew he was never going to get to this ball. Or he almost knew it. His memory “blacked out” afterward. He doesn’t remember the instant when he realized “maybe.” But the picture comes clear for him in the fractions of a second when he “laid out” full-length. 

“I jumped at kind of a weird angle,” said Souza, who was near the warning track by the 377-foot sign. Outfielders know that, if they must, they can actually reach backward, over their heads, and still hope for a catch. Souza always wanted to try to “dive straight backwards.” But he never had. Until suddenly he did. 

Boswell elaborates further here.