West Ham have offered around £10million for Paris St Germain defender Thilo Kehrer, but face competition from Sevilla.
The move comes after manager David Moyes bemoaned the lack of freshness within his squad following the club's opening weekend defeat to Manchester City.
With only weeks to go in the window, West Ham have moved to placate their Scottish manager, though they will have to up their offer with PSG wanting £17m for the 25-year-old.
Speaking to the media after the City defeat, Moyes said: 'We need it and we need to freshen up a bit, we are a bit stale at the moment.