I can see it from the perspective of Austin/Rodriguez though.
Going into this preseason you've got to assume they're behind Graziano and Shane, for the one central striker's position.
Graziano goes, but if you buy in another one then those two are knocked down to 3rd and 4th and are left wondering if their future belongs here. Personally, if I was them and I saw another striker brought into the club this summer to start games then I'd start to question whether I should be instructing my agent to find me a new club.
Hopefully, and I'm crossing everything, both of them will swerve major injuries or consistent niggles and if they do, I think it'll work out well for us.
Slightly concerning if they both get laid up and we're reliant on just Shane and Sam G though.