Sports radio (or sports talk radio) is a radio format devoted entirely to discussion and broadcasting of sporting events. A widespread programming genre that has a narrow audience appeal,^[1] sports radio is characterized by an often-boisterous on-air style and extensive debate and analysis by both hosts and callers. Many sports talk stations also carry play-by-play (live commentary) of local sports teams as part of their regular programming

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Hosted by Bill Mazer, the first sports talk radio show in history launched in March 1964 on New York's WNBC (AM).^[2] Soon after WNBC launched its program, in 1965 Seton Hall University's radio station, WSOU, started Hall Line, a call-in sports radio talk show focusing on the team's basketball program. Having celebrated its 50th anniversary on air during the 2015–2016 season, Hall Line, which broadcasts to central and northern New Jersey as well as all five boroughs of New York, is the oldest and longest running sports talk call-in show in the NY-NJ Metropolitan area, and is believed to be the oldest in the nation.^[3]

Enterprise Radio Network became the first national all-sports network, operating out of Avon, Connecticut, from New Year's Day 1981 through late September of that year before going out of business. ER had two channels, one for talk and a second for updates and play-by-play. ER's talk lineup included current New York Yankees voice John Sterling, New York Mets radio host Ed Coleman and former big-league pitcher Bill Denehy.

Emmis Broadcasting's WFAN in New York in 1987 was the first all-sports radio station. The success of the station and its programs, such as Mike and the Mad Dog, caused many to appear around the United States; while only one other radio show besides Mike and the Mad Dog attended the 1990 Super Bowl, about 100 attended the 2004 Super Bowl's radio row.^[4]

Sports talk is available in local, network and syndicated forms, is available in multiple languages, and is carried in multiple forms on both major North American satellite radio networks. In the United States, most sports talk-formatted radio stations air syndicated programming from ESPN Radio, SportsMap, Sports Byline USA, Fox Sports Radio, CBS Sports Radio, or NBC Sports Radio, while in the Spanish language, ESPN Deportes Radio is the largest current network. In contrast, Canadian sports talk stations may carry a national brand (such as TSN Radio or Sportsnet Radio) but carry mostly local programming, with American-based shows filling in gaps. Compared to other formats, interactive "talkback" sports radio poses difficulties for Internet radio, since as a live format it is difficult to automate; most prominent sports leagues also place their radio broadcasts behind a paywall or provide their broadcasts directly to the consumer, depriving standalone Internet stations of potential programming. Pre-recorded sports talk programs (usually interview-centered) can be syndicated as podcasts with relative ease, and sports teams have also launched their own online digital networks with sports talk centered around their own properties.

As with most other radio formats, sports radio uses dayparting. ESPN Radio, for instance, insisted that its affiliates carry Mike and Mike in the Morning during morning drive time to provide as much national clearance as possible; in contrast, it carries less prominent programming in the afternoon drive to accommodate local sports talk, as well as in the evening (for its first two decades, rolling score updates aired under the banner of GameNight) to allow stations to break away for local sporting events. Somewhat unusually for radio, the late-night and overnight hosts have more prominence on a sports talk network, due to a near-complete lack of local preemption.

Sports radio stations typically depend on drawing an audience that fits advertiser-friendly key demographics, particularly young men with the disposable income to invest in sports fandom, since the format does not have the broad appeal to reach a critical mass in the general public. Prominent sports radio stations typically get their greatest listenership from live play-by-play of local major professional sports league or college sports franchises; less prominent stations (especially on the AM dial) may not have this option because of poorer (or for daytime-only stations, non-existent) nighttime signals and smaller budgets for rights fees.

Following the 2018 repeal of the United States' Professional and Amateur Sports Protection Act of 1992, a variant of the format focusing upon sports betting began to emerge. In August 2019, SportsMap (then SB Nation Radio) and Vegas Stats & Information Network (VSiN) launched the BetR Network with affiliates in Las Vegas and Atlantic City at launch,^[5][6] while Philadelphia's WDAS flipped to a sports format featuring local programs involving sports betting.^[5] Broadcaster Audacy began to deploy its BetQL Network to more of its stations in June 2021 (using the on-air brand The Bet), alongside an expansion of their daily schedule.^[7] Stations with such formats may still affiliate with a mainstream sports radio network to fill the remainder of their schedule, with the aforementioned WDAS otherwise carrying Fox Sports Radio (as well as Philadelphia Union soccer),^[8][5] BetR including programming from co-owner SportsMap on its lineup,^[5][6] and BetQL being often carried alongside CBS Sports Radio on its owned-and-operated stations.^[7]

• Champions Soccer Radio Network (United States)
• Enterprise Radio Network (United States)
• KRAE (Cheyenne's ESPN sports radio) (USA, Wyoming) - contract ended 2013, now oldies radio^[14]
• NBC Sports Radio
• Réseau Sport Radio Network via Digital Radio Oceane (New Caledonia/Wallis & Futuna)
• Sports Fan Radio Network (United States)
• ESPN Deportes Radio (United States)
• The Team (Canada)
• Bradesco Esportes FM (Brazil)
• Macquarie Sports Radio - National, via DAB+ Perth, Sydney 954, Melbourne 1278 & Brisbane 882

• Broadcasting of sports events
• Radio personality
• Major League Baseball on the radio
• College football on radio
• National Football League on the radio