Germany international Florian Wirtz will remain at Bayer Leverkusen next season “with 100% certainty,” according to CEO Fernando Carro. “The fact that (coach) Xabi Alonso is staying is an additional incentive,” Carro told Spanish radio station Onda Cero in an interview published on Sunday. Wirtz has a contract with Leverkusen until June 2027, but several top clubs are interested in signing him. The club management wants to keep a large part of the squad and avoid having to compensate for many departures as in 2001 and 2002, said Carro, who, however, expects lucrative offers. His goal is for th…