I have a theory and I think it's valid: Those who are not athletic and do not play any sports stay home and call in to radio programs to talk about sports. SiriusXM made this announcement today:
CBS Sports Radio channel to debut on SiriusXM February 21
CBS Sports Radio and SiriusXM today announced that CBS Sports Radio's programming lineup will be available to SiriusXM subscribers nationwide beginning Wednesday, February 21st on satellite radios (Sirius channel 213, XM channel 201) and on the SiriusXM app. CBS Sports Radio showcases popular sports talk shows hosted by Jim Rome, Tiki Barber, Brandon Tierney, Scott Ferrall, Amy Lawrence, Damon Amendolara, Bill Reiter and Taz & Marc Malusis, among others. Two of these programs, Jim Rome and Tiki & Tierney, are also simulcast on the CBS Sports television network.