By SABC Sport
9th June 2023
The midfielder played 129 games under Jurgen Klopp during an injury-hit five-year spell.
"I'm really looking forward to my new role in Bremen," he said. "I was convinced by the discussions with those responsible, the environment and the game idea from Werder.
"The coach made me feel really good and showed me that I can help the team. Werder is a special club and I know the Weserstadion from my time in Leipzig.
"The club and the philosophy suit me, it's the right move for me."