Outfielder Junior Lake is only in his second season with the Cubs. So as you would expect, he's still learning the ropes when it comes to being a big-league player. But c'mon, man, this is just ridiculous!

Earlier today, the Cubs took the field in Pittsburgh to take on the Pirates. And for whatever reason, Lake put on the wrong uniform prior to the game and wore it out onto the field:

How did he manage to not notice that he was wearing the wrong uni? We have no idea. But he's not making himself—or his team—look very good right now. SMH.

RELATED: The 25 Worst Jersey Fails in Sports History

[via Barstool Sports]