Bender out for four weeks
Dortmund - Borussia Dortmund midfielder faces around four weeks on the sidelines after undergoing knee surgery on Friday.
The 25-year-old picked up the injury in Wednesday's training session, but club doctor Markus Braun says the subsequent operation was a success. BVB, who currently occupy 17th place in the Bundesliga standings, will spend the next week preparing for the second half of the season in the Spanish resort of
.