Interesting stats from the bbc, here.
Newcastle 2012-13: 14 Europa matches, dropped 11 positions in league.
Newcastle 2004-05: 12 Europa matches, dropped 9 positions in league.
Bolton 2007-08: 10 Europa matches, dropped 9 positions in league
Everton 2005-06: 2 Europa matches, dropped 7 positions in league
Middlesbrough 2005-06: 15 Europa matches, dropped 7 positions in league
West Ham 2006-07: 2 Europa matches, dropped 6 positions in league
Newcastle 2006-07: 12 Europa matches, dropped 6 positions in league
Tottenham 2007-08: 10 Europa matches, dropped 6 positions in league
Portsmouth 2008-09: 6 Europa matches, dropped 6 positions in league
Fulham 2009-10: 19 Europa matches, dropped 5 positions in league
Blackburn 2006-07: 8 Europa matches, dropped 4 positions in league
Everton 2009-10: 10 Europa matches, dropped 3 positions in league
Aston Villa 2010-11: 2 Europa matches, dropped 3 positions in league
Swansea 2013-14: 12 Europa matches, dropped 3 positions in league
Bolton 2005-06: 8 Europa matches, dropped 2 positions in league
Manchester City 2008-09: 16 Europa matches, dropped 1 position in league
Fulham 2011-12: 14 Europa matches, dropped 1 position in league
Stoke 2011-12: 12 Europa matches, dropped 1 position in league
Tottenham 2012-13: 12 Europa matches, dropped 1 position in league
Totenham 2013-14: 12 Europa matches, dropped 1 position in league
Millwall 2004-05: 2 Europa matches, no change in league
Tottenham 2006-07: 10 Europa matches, no change in league
Everton 2008-09: 2 Europa matches, no change in league
Aston Villa 2008-09: 10 Europa matches, no change in league
Aston Villa 2009-10: 2 Europa matches, no change in league
Everton 2007-08: 10 Europa matches, gained 1 position in league
Liverpool 2010-11: 14 Europa matches, gained 1 position in league
Tottenham 2011-12: 8 Europa matches, gained 1 position in league
Liverpool 2012-13: 12 Europa matches, gained 1 position in league
Manchester City 2010-11: 12 Europa matches, gained 2 positions in league
Blackburn Rovers 2007-08: 4 Europa matches, gained 3 positions in league
Tottenham 2008-09: 8 Europa matches, gained 3 positions in league
Middlesbrough 2004-05: 10 Europa matches, gained 4 positions in league
Newcastle 2012-13: 14 Europa matches, dropped 11 positions in league.
Newcastle 2004-05: 12 Europa matches, dropped 9 positions in league.
Bolton 2007-08: 10 Europa matches, dropped 9 positions in league
Everton 2005-06: 2 Europa matches, dropped 7 positions in league
Middlesbrough 2005-06: 15 Europa matches, dropped 7 positions in league
West Ham 2006-07: 2 Europa matches, dropped 6 positions in league
Newcastle 2006-07: 12 Europa matches, dropped 6 positions in league
Tottenham 2007-08: 10 Europa matches, dropped 6 positions in league
Portsmouth 2008-09: 6 Europa matches, dropped 6 positions in league
Fulham 2009-10: 19 Europa matches, dropped 5 positions in league
Blackburn 2006-07: 8 Europa matches, dropped 4 positions in league
Everton 2009-10: 10 Europa matches, dropped 3 positions in league
Aston Villa 2010-11: 2 Europa matches, dropped 3 positions in league
Swansea 2013-14: 12 Europa matches, dropped 3 positions in league
Bolton 2005-06: 8 Europa matches, dropped 2 positions in league
Manchester City 2008-09: 16 Europa matches, dropped 1 position in league
Fulham 2011-12: 14 Europa matches, dropped 1 position in league
Stoke 2011-12: 12 Europa matches, dropped 1 position in league
Tottenham 2012-13: 12 Europa matches, dropped 1 position in league
Totenham 2013-14: 12 Europa matches, dropped 1 position in league
Millwall 2004-05: 2 Europa matches, no change in league
Tottenham 2006-07: 10 Europa matches, no change in league
Everton 2008-09: 2 Europa matches, no change in league
Aston Villa 2008-09: 10 Europa matches, no change in league
Aston Villa 2009-10: 2 Europa matches, no change in league
Everton 2007-08: 10 Europa matches, gained 1 position in league
Liverpool 2010-11: 14 Europa matches, gained 1 position in league
Tottenham 2011-12: 8 Europa matches, gained 1 position in league
Liverpool 2012-13: 12 Europa matches, gained 1 position in league
Manchester City 2010-11: 12 Europa matches, gained 2 positions in league
Blackburn Rovers 2007-08: 4 Europa matches, gained 3 positions in league
Tottenham 2008-09: 8 Europa matches, gained 3 positions in league
Middlesbrough 2004-05: 10 Europa matches, gained 4 positions in league