Watch five sets of siblings in action for United:
1. Fabio (2008- ) & Rafael da Silva (2008- )
2. Michael (2009 - ) & William Keane (2009- )
3. Brian (1968-79) & Jimmy Greenhoff (1976-80)
4. Jonny (2006- ) & Corry Evans (2007- )
5. Gary (1991- ) & Phil Neville (1993-2005)
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In the week the Keanes turned 18, we're showing five pairs of brothers in action for United...
1. Rafael and Fabio da Silva are the Reds’ first identical twins and are nearly as tricky to tell apart as they are to play against - referee Chris Foy booked the wrong brother for a foul at Barnsley last season.
2. Michael and William Keane, 18 this week, may not be identical but they share the same goal – to graduate from youth team to first team.
3. Jimmy Greenhoff linked up with big brother Brian when United signed him from Stoke, six months before the pair helped the Reds win the 1977 FA Cup final.
4. Corry Evans awaits a competitive debut but he joined elder sibling Jonny on the pitch in Philadelphia, USA during the first team’s 2010 pre-season tour.
5. Gary and Phil Neville’s combined total of 988 United appearances - and rising - will take some beating, even though the latter left for Everton in 2005.