An official announcement on Karius' new contract could arrive soon as Schalke work through the final details of the agreement. Dzeko's future is likely to remain unresolved until after his international duties conclude.
Regardless of whether the Bosnian striker stays, Schalke are expected to strengthen their squad during the summer transfer window. The club are reportedly targeting reinforcements in attacking areas as they look to establish themselves in the Bundesliga and avoid an immediate battle against relegation.