The Red Devils and the Gunners resume their Europa League campaigns on Thursday night time with the first legs of their final 32 ties.
United solely have a brief journey to Belgium to tackle Club Brugge, whereas Arsenal are in Greece to face Olympiakos.
Both sides have struggled badly for consistency this season, with Ole Gunnar Solskjaer’s facet seventh in the Premier League whereas Mikel Arteta’s males are 4 factors behind in 10th.
However, Van Persie has nonetheless backed two of his former sides as favourites to raise the trophy in May, whereas the Dutchman additionally views Ajax as seemingly challengers for the title.
‘Arsenal and Manchester [United] are actually favourites to win the competitors,’ the 36-year-old informed Omnisport.
‘They also have a chance to win the Europa League, they have a very good squad.’
The bookmakers don’t essentially agree with the former prolific striker, with Inter Milan and Sevilla obtainable at shorter costs to win the Europa League than Manchester United, Arsenal or Ajax.
Inter tackle Ludogorets Razgrad in the final 32, whereas Sevilla tackle CFR Cluj and Ajax meet Getafe.
Scottish sides Celtic and Rangers are each nonetheless concerned in the competitors, however are important outsiders for achievement, with the Bhoys up towards FC Copenhagen subsequent and the Gers enjoying Braga.
Rangers boss Steven Gerrard accepts the mammoth process forward of his facet towards Braga, however feels his facet have what it takes to trigger an upset.
‘We know we are playing the best team in Portugal right now, the form team,’ he stated. ‘This is a staff that has simply overwhelmed Porto in a cup remaining, simply overwhelmed Benfica away and additionally overwhelmed Sporting Lisbon of late.
‘They are the form team and one we have a lot of respect for. But having watched them and analysed them, there are areas of their game where we believe we can go and hurt them.’