Same with Fox Sports Northwest? (Score 2, Interesting)

Back when I had cable here in Seattle, I would watch Mariners games on Fox Sports Northwest. For the postgame, these two (rather annoying) sportscasters (can't remember the names, it was a couple years ago) would come on, either ecstatic that the Mariners had won, or disappointed that they had lost. So, I go visit the inlaws' in Detroit, catch a Tigers game on Fox Sports (whatever it is in Detroit), and for the postgame, it's the same two guys, and these same two sportscasters are bummed out by the Tigers' poor showing (go figure)! So, what gives? I'm now picturing a couple guys sitting in a studio down in LA, doing sports for all of the various "local" sports programs across the country. I guess this is an efficient way of doing sports broadcasting, but it seems dishonest and unethical. Can anyone verify that my suspicions are true, or is it possible that these two guys got demoted to covering Detroit sports?