Gallagher Prem 2025-26 club-by-club preview: Bath head favourites after a treble and big signings; Bristol boosted by Louis Rees‑Zammit; Exeter rebuilding after poor seasons and coaching churn; Gloucester’s campaign hinges on many newcomers; Harlequins disrupted by Danny Wilson’s exit but strengthened in the pack; Leicester remain an unknown under Geoff Parling; Newcastle’s Red Bull takeover signals long‑term potential; Northampton target a top‑four return; Sale expect top‑four/top‑two; Saracens seek consistency with Owen Farrell.