Hello, yes there are many sportsbook sites with deposit bonus, but I would recommend that you try direcbet, because on top of the deposit bonus they are also hosting a betting competition. So if you try them you will get a deposit bonus, and by joining our competition you ill have a chance to win top7 prizes up to 1 BTC, a participation prize of 70mBTC, and will also be participating in a side competition with a prize pool of 1 BTC.

All of that is done at the same time as the deposit bonus, so it's an amazing added bonus to your bets.
Here is the registration link with more information if you try us:
https://bitcointalk.org/index.php?topic=1248467.0

Hope to see you there, and good luck to your bets!