2016-17
Top offense - Erie - in final
Top defense - OS - conference final
2015-16
Champion - London, 1st in O, 1st in D
Top offense - London - won league
Top defense - London - won league
2014-15
Champion - Oshawa, 3rd in O, 1st in D
Top offense - Soo - lost conference final
Top defense - Oshawa - won league
2013-14
Champion - Guelph, 1st in O, 4th in D
Top offense - Guelph - won league
Top defense - Erie - lost conference final
2012-13
Champion - London, 2nd in O, 3rd in D
Top offense - Plymouth - conference final
Top defense - OS - lost in 2nd round
2011-12
Champion - London, 3rd in O, 2nd in D
Top offense - Niagara - lost final
Top defense - Niagara - lost final
2010-11
Champion - OS, 2nd in O, 6th in D
Top offense - Mississauga - lost final
Top defense - Mississauga - lost final
2009-10
Champion - Windsor, 1st in O, 5th in D
Top offense - Windsor - won league
Top defense - Mississauga - lost conference final
2008-09
Champion - Windsor, 1st in O, 1st in D
Top offense - Windsor - won league
Top defense - Windsor - won league
2007-08
Champion - Kitchener, 2nd in O, 2nd in D
Top offense - Oshawa - lost in conference final
Top defense - Soo - lost in conference final
2006-07
Champion - Plymouth, 3rd in O, 1st in D
Top offense - Mississauga - lost first round
Top defense - Plymouth - won league
2005-06
Champion - Peterborough, 3rd in O, 3rd in D
Top offense - London - lost in final
Top defense - Kitchener - lost in 1st round
2004-05
Champion - London, 1st in O, 1st in D
Top offense - London - won league
Top defense - London - won league
2003-04
Champion - Guelph, 2nd in O, 3rd in D
Top offense - London - lost in conference final
Top defense - London - lost in conference final
What does this all mean?
Yes, a top defense is important but you still have to score. Every OHL champion for the last little while has been top 3 in offense. While you still need a top D, you can get away with an above average one if you can outscore your opponents.
2016-17
Erie - 1st in O, 2nd D
Mississauga - 7th in O, 8th in D
Windsor - 10th in O, 3rd in D
Top 6 teams in O in 2016-17 - Erie, OS, London, Soo, Sarnia, Kitchener
Top 6 teams in D in 2016-17 - OS, Erie, Windsor, London, Kingston, Soo
Essentially the lower your number is when you add the two rankings together the better.
Top teams in 2016-17
Erie 3
OS 3
London 7
Soo 10
Windsor 13
Mississauga 15
Peterborough 17
Kitchener 19
Hamilton 19
Oshawa 19
Flint 22
Sarnia 23
Kingston 25
Saginaw 28
Ottawa 29
Sudbury 29
Niagara 32
North Bay 32
Guelph 37
Barrie 38