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I still don't see the competition being Garland vs. Ramirez. I really think it's two separate battles: Garland vs. Bonderman, Beavan vs. Ramirez. I agree with the "veteran insurance" angle being put forth, but it's only for 1 spot, not two; hence, Gar vs. Bond. I think it is convoluting it to express it any other way.
I get that there are two spots and 4 guys, but I don't actually believe the roles are completely fungible in the minds of the brass. (For ex. there is NO way Gar and Bond both make the team. It's basically, "Can one of the old guys stick? Great. It's one young guy instead of two."