Complex sentence: He returned to Nottingham Forest on loan in December 1996, when Stuart Pearce became manager on an interim basis after the departure of Frank Clark, scoring once against Leicester City in 13 league games, before returning to Manchester City.
Split into simpler sentences: He returned to Nottingham Forest on loan in December 1996, when Stuart Pearce became manager on an interim basis after the departure of Frank Clark. He scored once against Leicester City in 13 league games before returning to Manchester City.