He can if he is willing to seek for a help, he can search for the information in the forum and I believe he can find relevant ones.
This forum is very active and information are very helpful to determine the reputation of a certain gambling sites, here, remarks and feedback are not bias.
I saw somewhere a topic by DarkStar_ it's about reviewing some sportsbook sites. This can help the OP. I will try to find the link when I get time.
Edit:
Overview of Bitcoin Accepting Sportsbooks
I hope this helps. 🙂