So, how bad is Bill Simmons' proxy betting mishap? We asked legal experts what could happen.

Spotify executive Bill Simmons said on his podcast that he was proxy betting.

Daniel Boczarski/Getty Images for Spotify; Joe Murphy/NBAE via Getty Images Podcaster Bill Simmons caused a stir in the sports media world by saying he bet through a proxy.

Sportsbooks like FanDuel prohibit customers from making bets on others' behalf because of state law.

Legal experts say Simmons could face some punishment, but it likely wouldn't be serious.

Bill Simmons has said he authorized another person to place sports bets on his behalf, but don't expect the podcasting star to get more than a slap on the wrist.

Simmons, who runs Spotify's podcast strategy, said on his show on Sunday that he'd enlisted his daughter's boyfriend to log into his account and place NFL futures bets for him.

The issue is that Simmons lives in California, where online sports betting is illegal, and his daughter's boyfriend lives in Massachusetts, where it's legal.

So-called "proxy betting" is illegal under Massachusetts state law.

Simmons didn't respond to a request for additional comment.

Simmons' bets have caused a stir, especially since he said they were placed on the online sportsbook FanDuel, which has major sponsorship deals with Spotify and The Ringer, the sports-and-culture site Simmons started.

However, legal experts say that the Spotify executive likely won't be in too much trouble.

Simmons is "an unlikely candidate" for aggressive civil penalties, though he appears to have violated online gaming laws in Massachusetts, said Mark Gottlieb, a law professor at Northeastern University in Boston.

Simmons may get a 'good-faith determination' Under Massachusetts law, sportsbooks can only accept bets from people who are 21 or older and are physically present in the state.

Sportsbooks can't allow customers to have more than one account or to place bets on behalf of someone else.