Coming back from any injury is a hard thing for any athlete, but Tommy John surgery is one of the toughest out there.

Although it has become more routine in the modern era, pitchers still take a risk when undergoing the procedure—it takes 12 to 18 months to recover and there’s no certainty that you’ll get completely back to normal once you return. Big names over the years have undergone the procedure, including Stephen Strasburg, John Smoltz, Jose Fernandez, Matt Harvey, Adam Wainwright, Tim Hudson, and the late Jose Fernandez.

Here are the top 10 best Tommy John surgery comebacks in baseball.