Another stat that shows Froome is harder competition than Nibbes.
Again from procyclingstats:
Here is where Nibbes has beaten Froome
1  Vs.  2
Tirreno-Adriatico (2013) General Classification
7  Vs.  12
Critérium du Dauphiné (2014) General Classificat...
5  Vs.  7
Tour de France (2012) Stage 8
and here is where Froome has beaten Nibbes
Tour de France (2012) General Classification
2  Vs.  3
Vuelta a Espana (2011) General Classification
2  Vs.  7
Tour de Romandie (2014) General Classification
1  Vs.  5
Tour of Oman (2013) General Classification
1  Vs.  7
Tour de France (2012) Stage 7
1  Vs.  4
Tour of Oman (2014) General Classification
1  Vs.  12
Tour de France (2012) Stage 11
3  Vs.  5
Tirreno-Adriatico (2013) Stage 4
1  Vs.  3
Tour de France (2012) Stage 17
2  Vs.  7
Critérium du Dauphiné (2012) General Classificat...
4  Vs.  28
Tour de France (2012) Time Trial
2  Vs.  8
Critérium du Dauphiné (2014) Stage 2
1  Vs.  6
Vuelta a Espana (2011) Stage 16
1  Vs.  15
Critérium du Dauphiné (2014) Time Trial
1  Vs.  8
Tour de France (2012) Time Trial
2  Vs.  16
Vuelta a Espana (2011) Stage 8
5  Vs.  6
Vuelta a Espana (2011) Time Trial
2  Vs.  15
Tour de Romandie (2014) Stage 3
2  Vs.  7
Tour de Romandie (2014) Time Trial
1  Vs.  18
Tour of Oman (2013) Stage 4
2  Vs.  5
I rest my case...
