Moneyball with LLMs: Analyzing Tabular Summarization in Sports Narratives
Paper · 2026 · Ritam Upadhyay, Naman Ahuja, Rishabh Baral et al.
Summary
The paper asks whether LLMs can keep accurate, consistent state about many entities while reading a long, evolving narrative and turning it into statistical tables. Most prior text-to-table work relies on costly prompting or decomposition pipelines and is tested mainly on LiveSum, which says little about how these methods generalize. The authors build SporTabSet, a diagnostic benchmark from two sports. Cricket ball-by-ball commentary from Cricinfo requires separate batsman and bowler scorecards governed by role rules. ESPN basketball play-by-play requires one wide box score covering about 24 players. Using this benchmark, they compare several long-context LLMs under four strategies: plain CoT prompting, decomposition, entity-centric generation, and a symbolic Text–Tuple–Table pipeline. They also test robustness with label-invariant perturbations. Decomposition clearly improves accuracy and numerical fidelity, mostly because it reduces interference between entities rather than improving arithmetic. Models remain sensitive to surface cues and fail in patterned ways: hallucinating entries, omitting players, and confusing roles. The authors conclude that multi-entity memory is the central bottleneck for reliable long-context table generation.
Key points
- Cricket data: more than 6,500 cricket commentaries, based on 498 ODI innings (2006–2025), with truncated variants of 120, 180, and 240 balls. Gold tables are produced by a regex-based parser that handles extras deterministically.
- Basketball data: 1,988 games (998 from 2021–2022, 990 from 2025), paired with official box scores of 10 numeric columns. Perturbations expand these to 5,964 evaluation instances.
- Validation: cricket tables built from full innings match official scorecards 99.7% of the time. Sliced samples (500 checked per setting) reach 99.3% cell-level accuracy and 100% for player names. A manually checked 10% of basketball games shows full alignment between commentary and box score.
- Trade-offs: the strongest-scoring methods, such as tuple generation over long contexts, carry higher token cost and implementation complexity. Parallel per-entity calls increase input tokens.
- Release: benchmark artifacts are distributed under CC BY-NC-SA 4.0, for non-commercial research only.
Institutions
Fields, topics and concepts
📚 Shelves 5The field of science this work belongs to (OpenAlex fields).Computer Science · 16,667 worksArtificial Intelligence · 16,194 worksArts and Humanities · 16,039 worksLanguage and Linguistics · 15,891 worksComputer Vision and Pattern Recognition · 2,869 works
🧭 Topics 1Research subjects and languages the work is about.Summarization · 232 works
Cite
Cite as Ritam Upadhyay, Naman Ahuja, Rishabh Baral, Aparna Garimella and Vivek Gupta. 2026. Moneyball with LLMs: Analyzing Tabular Summarization in Sports Narratives. Findings of the Association for Computational Linguistics: ACL 2026.
@inproceedings{upadhyay2026moneyball,
title = {{Moneyball with LLMs: Analyzing Tabular Summarization in Sports Narratives}},
author = {Ritam Upadhyay, Naman Ahuja, Rishabh Baral, Aparna Garimella and Vivek Gupta},
booktitle = {Findings of the Association for Computational Linguistics: ACL 2026},
year = {2026},
doi = {10.18653/v1/2026.findings-acl.2072},
url = {https://doi.org/10.18653/v1/2026.findings-acl.2072}
}References
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