A leaderboard of the best fielders in all of baseball, by UZR:
That's three Mariners in the top ten. As a team, the Ms top both UZR and UZR/150 and are more than 50% better than second place in Range.
By the way, according to FanGraphs, Endy Chavez has been worth 0.9 wins so far this season. Raul Ibanez is at 0.8, and that's with his defense being called average so far.