Soccer - Barclays Premier League - Manchester United v Southampton - Old Trafford [Getty Images]

Manchester United manager Sir Alex Ferguson (left) and Southampton manager Mauricio Pochettino (right) on the touchline (Photo by Martin Rickett/PA Images via Getty Images) — see more

Manchester United manager Sir Alex Ferguson (left) and Southampton manager Mauricio Pochettino (right) on the touchline (Photo by Martin Rickett/PA Images via Getty Images)

PA Images Martin Rickett - PA Images