Hi. This isn't 100% investment but Joca is the most famous and successful Bitcoin sports betting dude out there.
He has record of 2300 WINS against 360 LOSES. He's really good at analyzing matches & players.
First, you need to register at all these 3 Sports betting websites Joca use.
Then, visit his sales page (get all his future sport betting tips for just about 3$).
You can verify Joca's tipping record at Bitcointalk forum: