The Hammers are hopeful of welcoming back at least one defender for the London derby
Ralf Rangnick has rejected the opportunity to replace Tuchel at the Allianz Arena.
Borussia Dortmund veteran Marco Reus will leave after 12 years with the side at the end of the season, the club announced on Friday. Reus, who came through Dortmund's junior system before returning to the club after breaking through at neighbouring Borussia Moenchengladbach, won two German Cups with the side but never lifted the Bundesliga title.
Erik ten Hag has revealed he wanted to sign Harry Kane for Manchester United last year but is convinced Rasmus Hojlund will deliver on his potential."I can see a striker (Harry Kane) who already proved it, who we want to sign and we couldn't get him.