Intertops Sports celebrates March Madness and the start of the NASCAR season with two different bonuses for bettors: a 20% March Madness bonus on basketball and a $50 NASCAR free bet. Plus there’s up to $1,000 in Match Bonuses for playing the new Zombies vs. Cheerleaders slot at Bovada Casino.

At Intertops Sports, bettors can now enjoy a 20% March Madness bonus and a $50 NASCAR free bet. Just make a deposit of up to $500 for use on Men’s Division I Basketball between March 11, 2013 at 06:00 am ET and March 18, 2013 at 11:59 pm ET and receive a 20% bonus of up to $100. Players must redeem their bonus after making an eligible deposit by emailing Intertops Sports with “20% March Madness Bonus” in the subject line.

To get the $50 NASCAR free bet, just wager at least $500 total on any races in the 2013 NASCAR Sprint Cup at odds of at least +100 / 2.0 between March 11 and November 17, 2013. To claim this bonus after making the eligible wagers, email Intertops Sports with “NASCAR $50 Free Bet” in the subject line.

Meanwhile, over at Bovada Casino, players can win up to $1,000 in Match Bonus through March 17, 2013 in a different type of sports-inspired adventures, the new Zombies vs. Cheerleaders online slot. Players can enjoy up to 10 match bonuses of up to $100 each to play on the new Zombies vs. Cheerleaders slot, available only at Bovada Casino.