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Bowstone Weekly — September 15, 2026

Bowstone Weekly — September 15, 2026

Sports brand intelligence, tracked where it starts.

The NFL is back. Basketball and Hockey are on the way, along with the MLB playoffs. But who does AI view as the most marketable athlete?

Model consensus

Which athletes do AI models say are the most marketable?

Ranked by how many of Claude, GPT-4o, Gemini and Perplexity named each athlete

  1. 1Lionel Messi4 of 4
  2. 2LeBron James4 of 4
  3. 3Caitlin Clark3 of 4
  4. 4Shohei Ohtani2 of 4
  5. 5Naomi Osaka2 of 4

5 of 14 · See the full ranking → · Frozen 2026-09-12

This Week's Signal

Patrick Mahomes is the week's most mentioned athlete in AI, and the model split around him is the sharpest divergence in this run.

The NFL is back and so is one of its biggest stars, Kansas City Chiefs quarter back, Patrick Mahomes. From an AI perspective, Mahomes (-9.7 BX) → (BX Overall 67.3, NFL BX 78.1) reached 51 total mentions this week, the largest raw count of any player in the data. Gemini named him 24 times; Perplexity named him 3. That 21-mention gap sits alongside a share trend that reads flat over eight weeks: his raw count grew from 31 to 51 while his mention share slipped from 1.508% to 1.302%, meaning the battery expanded around him faster than his count climbed. His BX dropped 9.7 points this week despite a growing mention count, a reminder that one model's enthusiasm does not move the composite when the others are quiet.

In index movement, Coco Gauff saw a big boost to her BX score this week and Instagram following this week (up 2.1%); fresh off of her quarterfinals run in the US Open. Sophie Cunningham, on the other hand saw her own BX score fall, in part due to a slowing of her Instagram followers (up 20,000 this past week compared to 80,000 the week before). The Virginia Tech Hokies, with new coach, James Franklin and the Messi-led Inter Miami CF round out the top and bottom movement of the index this week.

Index movement

Biggest BX moves vs. last week

Biggest gainers

  1. 1
    +23.3
    Coco Gauff
    BX 53.7
  2. 2Virginia Tech Hokies
    +23.1
    Virginia Tech Hokies
    BX 40.0

Biggest decliners

  1. 1Inter Miami CF
    -27.1
    Inter Miami CF
    BX 50.5
  2. 2
    -27.1
    Sophie Cunningham
    BX 7.9

In AI visibility, it will be interesting to see what happens with the Indiana Fever's Caitlin Clark. Arguably the most recognizable star in the WNBA, Clark failed to garner any mentions with GPT-4o, but her team was mentioned twice by the AI model. Both Clark and the Fever drew significant interest from Gemini, as they were referenced a combined 32 times this week.

AI Visibility by Model

GPT-4o returns zero mentions of Caitlin Clark this week

  • 0 mentions
    Caitlin Clark — GPT-4o

    GPT-4o's silence on Caitlin Clark (BX Overall 51.8, WNBA BX 71.6, share flat) is notable given Claude and Gemini each named her more than 15 times this run.

  • 21-mention gap
    Patrick Mahomes — Gemini vs Perplexity

    Patrick Mahomes' 21-mention gap between Gemini and Perplexity is the widest model spread among any player this week.

  • 15 of 29
    Indiana Fever — concentrated on Gemini

    Indiana Fever (BX Overall 62.9, WNBA BX not in lookup) relies heavily on a single model; Gemini's 15 mentions represent more than half of its total this run.

Brand vs. Market

Indiana Fever draws 120 ranks more AI attention than its valuation predicts

AI visibility rank gap (AI rank − valuation rank) · all valued teams

Valuations: Forbes and Sportico, published Mar 2025 to Sep 2026 by league. See methodology for each league's date.

  • +120 ranks
    Indiana Fever — AI ahead of valuation

    Indiana Fever's AI visibility sits 120 ranks above its valuation rank, the widest overweight gap in the pool, consistent with a WNBA-wide pattern seen on New York Liberty as well.

  • −99 ranks
    Houston Texans — valuation ahead of AI

    Houston Texans (BX Overall 5.8, NFL BX 6.8) sits 99 ranks below its valuation in AI attention, worth tracking for brands evaluating the franchise against comparable NFL assets.

  • +113 ranks
    New York Liberty — AI ahead

    New York Liberty (BX Overall 53.1, WNBA BX not in lookup) mirrors the Fever pattern at 113 ranks of overweight, suggesting a structural WNBA dynamic rather than an entity-specific anomaly.

One to watch
Texas Longhorns

Texas Longhorns

CFB
BX Overall
71.7
+14.0 this week
AI Mention Share
1.1%
CFB BX
85.1
Why this one

Texas Longhorns +14.0 BX → (BX Overall 71.7, CFB BX 85.1) hold the top overall BX score in this week's data, and their eight-week trend is the strongest in the team cohort: a 45.2-point rise against a pool median of 1.6, ranking first among 165 tracked teams by cohort excess, with the next closest at 40.5. Their mention share has grown from 0.681% to 1.123% over that same window. Watch whether the share line keeps climbing as college football's opening weeks layer more teams into the battery, or whether a widening field dilutes what has been a clear rise so far.

Bowstone tracks 443 sports entities weekly across Claude, GPT-4o, Gemini, and Perplexity. Data updates every Sunday. bowstone.ai

Bowstone tracks how AI models describe sports brands, measuring what Claude, GPT-4o, Gemini and Perplexity say when asked about teams, leagues and athletes — see the methodology, or browse every tracked entity.

Legend

Methodology →
AI Visibility
Direct ranked model selections, normalized within a published peer group.
Social Presence
Comparable social reach and movement, normalized 0–100.
BX Overall
The Bowstone Index combining eligible AI and social signals.
Peer rank
Position within the stated measured cohort and metric.
Provider positions
Question-specific stored selections, not overall provider rankings.
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