Brad Richards age 34 - Contract remaining - 6 years with a cap hit of 6.67 Million a season
Johan Franzen age 34 - Contract remaining - 6 years with a cap hit of 3.95 million a season
New York Rangers Goal differential +25
Brad Richards plus minus -8
Detroit Red Wings goal differential -8
Johan Franzen plus minus +6
Brad Richards 24
Johan Franzen 66
Brad Richards 46
Johan Franzen 28
Brad Richards 49.8%
Johan Franzen 52.9%
Richards slightly outscored Franzen this year but was far worse defensively and he costs almost double what Franzen does. That's why one is employed and the other was paid to go away.
If franzenstein played 82 games like Richards he would have (pro rated) 11 points more and 4 goals more.