The 21-year-old sustained a suspected hamstring injury playing for the United's Under-21s at Middlesbrough on Monday evening.
Love swells an already long injury list
Here Press Association Sport looks at how it currently stands:
Donald Love
Issue: Hamstring
Last played: FC Midtjylland 2 Manchester United 1, Europa League (February 18)
Marcos Rojo
Issue: Knock
Last played: Manchester United 3 Arsenal 2, Premier League (February 28)
Anthony Martial
Issue: Hamstring
Last played: Shrewsbury 0 Manchester United 3, FA Cup (February 22)
Chris Smalling
Issue: Shoulder
Last played: Shrewsbury 0 Manchester United 3, FA Cup (February 22)
Will Keane
Issue: Groin
Last played: Shrewsbury 0 Manchester United 3, FA Cup (February 22)
Cameron Borthwick-Jackson
Issue: Unspecified
Last played: Shrewsbury 0 Manchester United 3, FA Cup (February 22)
Wayne Rooney
Issue: Knee
Last played: Sunderland 2 Manchester United 1, Premier League (February 13)
Matteo Darmian
Issue: Dislocated shoulder
Last played: Sunderland 2 Manchester United 1, Premier League (February 13)
Marouane Fellaini
Issue: Muscle injury
Last played: Chelsea 1 Manchester United 1, Premier League (February 7)
Ashley Young
Issue: Groin
Last played: Liverpool 0 Manchester United 0 (January 17)
Bastian Schweinsteiger
Issue: Knee
Last played: Manchester United 1 Sheffield United 0, FA Cup (January 9)
Phil Jones
Issue: Ankle
Last played: Manchester United 2 Swansea 1, Premier League (January 2)
Antonio Valencia
Issue: Foot
Last played: Manchester United 0 Manchester City 0, Premier League (October 25)
Luke Shaw
Issue: Broken leg
Last played: PSV Eindhoven 2 Manchester United 1, Champions League (September 15)
Source : PA
Source: PA