The German is leaving Leeds United and Sunderland need new recruits.
The German's parent club Hamburg have just been relegated from the Bundesliga.
The German was in good form for Leeds, but it has not lasted.
Hamburg are likely to sell Lasogga this summer but Leeds simply must not pay his wages.
Leeds United have announced the loan signing of Hamburg striker Pierre-Michel Lasogga. It was important that the club signed a new striker to replace Chris Wood...