Ghana midfielder Anthony Annan is battling a calf injury ahead of 1860 Munich?s trip to Fortuna D?sseldorf on Saturday in the German Bundesliga II.
The 28-year-old was absent from training on Wednesday morning.
Annan is reported to have suffered a sprain in his left calf.
He has struggled for game since he joined the German second-tier last summer after
Annan has managed only three league appearances for 1860 Munich who lie one point and one place above the relegation playoff spot.