Compare & rank 2+ named players against each other for AI betting, fantasy & research agents — golf 3-balls, DFS player pools, season-long start/sit, 'best of these'. Returns a ranked list (each with a projection + the case) plus the single best betting play AND the best fantasy/DFS value, off the deep engine: golf strokes-gained + course fit; tennis surface/form; combat style. Sizing, alerts & the tracked record are premium.