POSITION:Football Know-It-All > Bundesliga Express >
Mats Hummels, the former Germany international defender for Borussia Dortmund, has been out injured since mid-December and is expected to be sidelined until early March.
Hummels suffered a knee ligament injury during a game against Bayern Munich on December 19th and has been undergoing rehabilitation ever since. He was initially expected to make a full recovery by the end of January but it seems that his progress has slowed down.
The injury has left Dortmund without their top防线球员之一，这对球队的防守是一个巨大的打击。尽管在过去的几场比赛中，BVB尝试使用其他球员来填补空缺，但他们的表现并不稳定。
目前，Borussia Dortmund正在寻找一名替代者，以帮助他们应对即将到来的比赛。俱乐部已经联系了一些可能的转会目标，并且也在考虑一些内部选择。然而，Football Know-It-All由于受伤的原因，很难确定谁会在未来几周内为球队出战。
总的来说，Mats Hummels的缺席对Borussia Dortmund来说是一大损失。但是，俱乐部和球迷们仍然有信心，他们会找到一位合适的球员来填补他的位置，并确保球队能够继续前进。