Chelsea have turned to Xabi Alonso as their new manager, entrusting the Spaniard to restore the club to elite status following a turbulent period under BlueCo's ownership. Alonso arrives with an impressive résumé, having transformed Bayer Leverkusen from second-bottom to unbeaten Bundesliga champions in just one season. His brief Real Madrid spell yielded a 71.4% win rate, the highest for any Madrid manager in the past decade.

Alonso operates with flexible principles rather than rigid formations. He seamlessly switches between back-three and back-four systems depending on opposition and personnel available. At Leverkusen, his aggressive 5-2-3 defensive shape and front-five attacking unit dominated opponents through high pressing and compact short-passing combinations. The system demands technically gifted players comfortable in tight spaces.

Chelsea possess versatile assets perfectly suited to Alonso's methods. Full-backs Marc Cucurella and Malo Gusto have already operated in central attacking roles, while wingers Pedro Neto and Alejandro Garnacho can function as wing-backs. Geovany Quenda's impending arrival from Sporting adds another dynamic option capable of thriving in Alonso's fluid wide positions. The Spaniard's success will depend on recruiting players who excel in his possession-heavy, high-pressing philosophy while maintaining the adaptability that made his Leverkusen side so formidable.