I like that guys explanation of orthopedic injuries and procedures.
View: https://www.youtube.com/watch?v=509AoxQRD_M
If you don't want to watch the whole video you can skip to 11:13 mark to hear how Conor will have an advantage.
Conor’s tibia may be stronger when healed, but the psychological effect of having broke your leg during your last fight is not a small issue