So people really think BOB is better then MIKE MENTZER?  
Here's their records for comparison.  
MENTZER
1971 Mr. America - AAU, 10th 
1971 Teen Mr America - AAU, 2nd 
1975 Mr. America - IFBB, Medium, 3rd 
1975 Mr. USA - ABBA, Medium, 2nd 
1976 Mr. America - IFBB, Overall Winner 
1976 Mr. America - IFBB, Medium, 1st 
1976 Mr. Universe - IFBB, MiddleWeight, 2nd 
1977 North American Championships - IFBB, Overall Winner 
1977 North American Championships - IFBB, MiddleWeight, 1st 
1977 Mr. Universe - IFBB, HeavyWeight, 2nd 
1978 USA vs the World - IFBB, HeavyWeight, 1st 
1978 World Amateur Championships - IFBB, HeavyWeight, 1st 
1979 Canada Pro Cup - IFBB, 2nd 
1979 Florida Pro Invitational - IFBB, 1st 
1979 Night of Champions - IFBB, 3rd 
1979 Mr. Olympia - IFBB, HeavyWeight (over 200 pounds) 1st, Overall 2nd 
1979 Pittsburgh Pro Invitational - IFBB, 2nd 
1979 Southern Pro Cup - IFBB, 1st 
1980 Mr. Olympia - IFBB, 5th 
CHICK  
1981 Natural America, Teen Tall, 4th 
1983 AAU Mr New York State, Teen Tall, 1st and Overall 
1987 NPC Junior Nationals, HeavyWeight, 1st and Overall 
1987 NPC Nationals, Heavyweight, 5th 
1988 NPC USA Championships, Heavyweight, 8th 
1989 NPC Nationals, Heavyweight, 4th 
1989 North American Championships, Heavyweight, 4th 
1989 NPC USA Championships, Heavyweight, 2nd 
1990 NPC Nationals, Light-Heavyweight, 5th 
1993 NPC USA Championships, Heavyweight, 8th 
1995 NPC USA Championships, Heavyweight, 15th 
1996 NPC Nationals, Heavyweight, 8th 
1999 NPC Nationals, Heavyweight, 2nd 
2000 NPC USA Championships, Super-Heavyweight, 1st and Overall 
2001 Night of Champions, 11th 
2001 Toronto Pro Invitational, 5th 
2002 Night of Champions, 2nd 
2002 Mr. Olympia, 18th 
2002 Show of Strength Pro Championship, 7th 
2002 Southwest Pro Cup, 2nd 
2003 Night of Champions, 6th 
2004 Arnold Classic, 11th 
2004 Ironman Pro Invitational, 8th 
2005 New York Pro Championships, 8th 
2005 San Francisco Pro Invitational, 9th 
2006 Masters Pro World, 1st 
Compare their 5 years as pros together, and the numbers don't lie.  
Personal feelings aside, Mentzer > Bob Chick