The versatile 22-year-old pitched his credentials for inclusion in the Reds' side for the FA Cup semi-final at Wembley on Sunday with a composed performance at left-back, against the club he spent the 2017/18 season with.
Fosu-Mensah hadn’t featured for United since May 2017, but was called upon in an unfamiliar left-back role at Selhurst Park, after Luke Shaw and Brandon Williams picked up injuries during the 2-2 draw with Southampton on Monday.
The Netherlands international was delighted to have made his comeback, and admitted he'd worked hard to find his way back into Ole Gunnar Solskjaer's plans after suffering a knee issue while on-loan at Fulham last season.