It should probably go without saying that there is rarely any downside to booking nearly $6 billion in advertising revenue, especially when that 10-figure windfall is 7% greater than the year-ago haul. As primetime unit costs continue to shrink alongside an ever-dwindling audience, the NFL’s media partners are practically swimming in marketing bucks—a dynamic that only emphasizes how essential the league’s games are for the top-tier U.S. TV networks.According to a new report issued by Guideline, which captures actual agency investment from the six major U.S. holding companies as well as most of the large independent shops, in-game NFL ad revenue in 2025-26 grew 6.8% year-over-year to $5.87 billion. Remove playoff and Super Bowl LX inventory from the equation and the total take was $4.24 billion, up an even 6% versus the previous regular-season campaign.Postseason growth was even steeper, as the NFL’s 13-game January/February slate generated $1.62 billion in total sales, an 8.5% gain that works out to an additional $127 million.The NFL’s stranglehold over the American imagination feels even more asphyxiating upon comparison with somewhat more distant seasons. Go back just four years and the league’s partners have seen their regular-season sales grow a staggering 34.6% from $3.15 billion; set the dial on your time machine to 2017-18 and the dollar volume soars 69.6%.While the NFL hasn’t made much headway in its mission to renegotiate its existing $110 billion-ish rights deals, there’s no getting around what a partnership with the league represents for the Big Four broadcast networks. Per Guideline data, Fox scared up $1.13 billion in regular-season NFL spend, a figure that accounted for more than one-fifth (21.1%) of Fox Corp.’s trad TV sales ($5.33 billion) in FY 2025. Note that Fox does not program the 10 p.m.-11 p.m. hour, a policy that necessarily limits the network’s volume of primetime ad inventory.CBS, which shares the Sunday afternoon NFL bounty with Fox, is similarly dependent on the league. While parent company Paramount Skydance does not isolate the sales figures for the individual channels in its portfolio, the CBS flagship accounts for the lion’s share of the company’s domestic TV revenue. According to PSKY’s latest 10-K, stateside ad dollars came in at $6.11 billion last year; per Guideline, $902 million of that total (or some 15%) may be attributed to CBS’ regular-season NFL coverage.Also raking it in during the 2025-26 campaign were NBC/Peacock, with $996 million in regular-season sales; ESPN/ABC ($525.1 million); Amazon’s Prime Video ($488.1 million) and Netflix, which cranked out $112.8 million in sales with its Christmas Day doubleheader. While each of the NFL’s media partners enjoyed year-to-year gains, Disney’s networks led all comers with a 19% lift.Despite the massive amount of ad dollars in play, the math still doesn’t quite add up for the TV and streaming outlets doing business with the NFL. Regular-season ad sales don’t pay the full freight for the rights packages, as those in-game marketing dollars only account for roughly 42% of the costs of teaming up with the league. (And those contractual expenses don’t factor in the investments in production/talent/tech.)That said, the fact that advertising doesn’t cover the hefty fees associated with carrying NFL games doesn’t necessarily make the Shield a poor investment. A few weeks ago, former ESPN president John Skipper got tongues wagging when he characterized the NFL as a “loss leader.” During one of his regular appearances on the Pablo Torre Finds Out podcast, the co-founder of Meadowlark Media allowed that while he has no insight into “what the books look like at NBC or CBS,” he believes “everybody’s losing money on their NFL deal.”Skipper’s argument hinged on his experience at Bristol—where he wasn’t shy about expressing an aversion to reupping with the NFL at too dear a price—and the economics of the ad market. “CBS is not generating $2 billion worth of [NFL] advertising, and their package is going to go up to $3 billion,” Skipper said.But Skipper’s take was colored by what amounts to an excluded middle, as it failed to acknowledge the duality of the TV model. While advertising revenue accounts for a huge chunk of the money generated by live sports programming, the “loss leader” analysis overlooks the contribution made by retransmission consent/reverse-retrans charges (broadcast) and affiliate fees (cable).As former Fox Sports exec Bob Thompson detailed via his X account, the NFL is responsible for about 60% of the billions of dollars in distribution revenue captured by TV. Taking that figure as a baseline, Thompson believes CBS’ NFL pact kicked up nearly $1.5 billion in distribution dollars last year alone; add that to the network’s full-season sales tally and CBS walked away with a profit of around $650 million before production expenses.Thompson’s sales estimates were a bit more generous than Guideline’s read, and his retrans numbers are also a bit off, but not so much that his overall assessment of the balance isn’t worth mentioning here. “Now I’m not sure of [CBS’s] exact season-long production costs, but I guarantee you it is not $750 million,” he wrote. Given recent estimates as to the expenses related to staging live NFL games, it’s likely that CBS realized a profit between $300 million and $400 million.However you choose to interpret the data, Guideline’s report serves to further reinforce the indispensable nature of live NFL games in TVland. But escalating rights fees have conjoined with the sense that the streamers aren’t finished disrupting the space; since 2017-18, 16% of NFL spend has shifted from linear TV.That mobilization has triggered new spasms of anxiety among the league’s old-school media partners. As talks between PSKY and the NFL have yet to bear fruit, Washington has been busy making the noises that are usually a prelude to some sort of regulatory truffle hunt.In the meantime, the fourth season under the NFL’s extant 11-year deal is set to get underway on Sept. 9, and the early projections are sunny. Based on a number of current and historical marketplace factors, Guideline expects sales to rise another 8% in 2026-27, with the addition of a Thanksgiving Eve game and the elimination of the overlapping Monday Night Football doubleheaders to pump another $65 million into the system. Including the playoffs and Super Bowl, full-season sales are on track to hit $6.26 billion.Another strong scatter market would push the numbers even further along an upward trajectory. Spots that are snapped up in the fall, or well after the tents have folded in the annual upfront bazaar, tend to realize a 20% premium over the ad rates set in the spring.By way of example, Fox’s average Sunday afternoon unit cost went from $678,514 per 30-second spot in the 2025-26 upfront to $820,625 in scatter. NBC’s scatter rates for Sunday Night Football were north of $1 million, while Netflix demonstrated that pricing parity was in full swing on the streaming side of the ledger as its last-minute NetfliXmas units went for $969,768 a pop.