Check career fielding stats for 3rd base and see who is better.
And Rolen has been playing it at a younger age with fewer miles on the wheels, if you know what I mean.
By the time Ripken moved back to 3rd base, he already had the streak at 2600 games or so and had a bad back.
Ripken was a gold glove-caliber 3rd baseman at 22 yrs old in 1983.