We're about to break the first two rules of talking about roster depth, which is that you do not talk about a team being too deep in any given area. Yet so it seems with the Seattle Mariners and their infield depth, which goes so far down that you'll find the wreck of the Titanic if you scroll for long enough.
Josh Naylor and J.P. Crawford are the only surefire starters on the 2026 infield as of now, but the Mariners will have no fewer than five players jockeying for the other two spots in the spring.