LEVERKUSEN, March 29 — Xabi Alonso will remain manager of Bayer Leverkusen, the Spaniard announced on Friday, ending speculation that he would join one of his former clubs Liverpool or Bayern Munich in the close season.

Alonso, who has a contract with Leverkusen until 2026, has become the talk of Europe and a reported target for top clubs after leading his team through an unbeaten season while challenging for three trophies.