We're giving you a reason to cheer a bit louder for your favorite stars and teams as they take to the court this season. Welcome to Bovada's NBA Betting section. Join Bovada Sportsbook today to receive your $ Sports Welcome Bonus. Start your football season with a bigger Welcome Bonus of % up to $. Technically, the NBA season begins in late October and the playoffs end At Bovada, the Golden State Warriors are the favorites to go all.