Quote Originally Posted by both-teams-played-hard View Post
Anthony,

Like you, I also thought this use of an apostrophe was incorrect. However, when "Pro" is used as an abbreviation for "Professional", a use of an apostrophe to show the plural version of "Pro's" is correct. Believe me, the butchering of the apostrophe by our fellow forum members has inspired hours of research.
Gotcha. I was on the fence whether or not this may be correct... Thanks for the facts!