The availability of Italian Serie B football matches in the United States may vary depending on the rights held by local broadcasters. Some options for watching Italian Serie B football matches in the US include:

Streaming services: Some streaming services, such as ESPN+, may offer live streaming of Italian Serie B matches in the US.
Sports TV channels: Sports TV channels in the US, such as ESPN and Fox Sports, may have the rights to broadcast Italian Serie B matches. Check with your local cable or satellite provider to see if they offer these channels.
International sports packages: Some cable or satellite providers in the US offer international sports packages that include access to Italian Serie B matches. Check with your provider to see if they offer these packages.

It’s worth noting that availability of specific matches may vary depending on your location.