Underdog Offers $50 Bonus for New Users on March 28

Got story updates? Submit your updates here. ›

Underdog Fantasy is offering a special promotion for new users on Saturday, March 28, with a Play $5, Get $50 in fantasy bonus entries offer. The promotion is valid across a full slate of Major League Baseball, NBA, and NHL games happening that day.

Why it matters

This Underdog promo provides an excellent opportunity for sports fans to get started with fantasy sports betting, with a generous $50 bonus for new users who sign up and make a $5 entry. The wide range of games happening on March 28 gives bettors plenty of options to utilize the bonus.

The details

To claim the Underdog promo, new users need to download the Underdog app, create an account, and enter the promo code CBSSPORTS2. Once they make a $5 entry into any contest, they'll receive $50 in fantasy bonus entries. The promo is available in select states where Underdog operates, excluding Maryland, Michigan, New Jersey, New York, Ohio, and Pennsylvania.

• The Underdog promo is valid on Saturday, March 28, 2026.

What’s next

New users can claim the Underdog promo by downloading the app, creating an account, and entering the code CBSSPORTS2 before making a $5 entry into any contest on March 28.