For the complete documentation index, see llms.txt. Markdown variants of the ranked boards (dynasty and fantasy rankings for NFL, NBA, MLB and CFB) are available by appending.mdto those URLs or by sendingAccept: text/markdown; other pages answer 404.
Duke Shelley is an NFL DB for the Indianapolis Colts, drafted in round 7 (pick 205) of the 2019 NFL Draft, out of Kansas State. Dynatyze tracks Duke Shelley's dynasty value, Superflex and 1QB market value, weekly fantasy production, player tracking, EPA efficiency, target share, route participation, and advanced charting for the 2026-27 season.
As of September 9, 2026, Dynatyze values Duke Shelley at 1,710 in Superflex dynasty and 1,800 in 1QB dynasty on its 100-9,999 dynasty trade-value scale — No. 999 overall in Superflex and No. 999 overall in 1QB.
Dynasty and redraft market values last updated , and are ingested daily from expert-consensus dynasty markets (KeepTradeCut, FantasyCalc).
Last updated . Data refreshes every Monday at 4:00 AM EST as part of the Dynatyze NFL weekly sync.
Built on play-by-play, player tracking, and advanced charting.