Fergie actually has a poor record against Spanish teams as United boss.
Indeed he does. Off the top of my head -
vs. Barca (2 WINS, 3 LOSSES, 4 DRAWS)
Won ECWC final 1991 (2-1), lost CL final 2009 & 2011 (2-0, 3-1)
Won CL semi final (1-0 win and 0-0 draw) in 2008
Two (3-3) draws in 1998 group stage
Draw (2-2) and lost (4-0) CL group stage in 1994
vs. Real (1 win, 3 losses, 2 draws)
lost 3-2, drew 0-0 CL QF 2000
Lost 3-1, won 4-3 CL QF 2003
Drew 1-1, lost 2-1 CL last 16 2013 (noted that was a blatant robbery)
vs. Atletico (1 loss, one draw)
lost 3-0, draw 1-1 ECWC 1992
vs. Valencia (2 wins, 4 draws)
won 3-0, draw 0-0 group stage 1999
draw 0-0, draw 0-0 group stage 2001
won 1-0, draw 1-1 2010 group stage
vs. Deportivo (3 WINS, 3 LOSSES)
lost 2-1, lost 3-2 group stage 2001
won 2-0, won 3-2 quarter final 2002
won 2-0, lost 2-0 group stage 2002
vs. Villarreal (4 draws)
draw 0-0, draw 0-0 group stage 2005
draw 0-0, draw 0-0 group stage 2008
vs. Athletic Club (2 losses)
lost 3-2, lost 2-1 Europa 2012
8 WINS, 12 LOSSES, 15 DRAWS