Kai Havertz will not be risked for Bayer Leverkusen's DFB-Pokal semi-final against Saarbrucken, Peter Bosz confirmed on Monday.
In-demand attacking midfielder Havertz sat out Saturday's 4-2 defeat at the hands of Bundesliga leaders Bayern Munich due to a muscular issue.
The Germany international has been a key figure for Leverkusen in 2019-20, scoring 15 goals and supplying eight assists in 38 appearances in all competitions.
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However, Havertz, who has been linked with Bayern, Liverpool, Manchester United and Barcelona, will play no part away at fourth-tier Saarbrucken on Tuesday as a precaution, with Leverkusen chasing Champions League qualification in the Bundesliga.