If I had said David Eckstein instead of Castro you dorks would be choking on how much you were harrumphing in agreement instead of being all, "well, yes, job security is indeed the true hallmark of a good career in this field of baseball!"
Nah. They've had OK careers. Definitely pretty big disappointments relative to potential, plus overall value pans out to being an average regular starting player at best.
Sandoval had a good career in the sense that's played baseball for a while and made good money, sure. That Starlin Castro-esque career WAR, however (and take your pick from FG or BR)...