Nope, Boros can be convinced, but it's not easy. He represented Cargo when his contract expired, or was about to, and Cargo really wanted to stay in Colorado, so he told Boros to get the best possible extension, and he did.
One thing I never understood is why pitchers are so anxious to get a ball thrown out if it is nicked. In the old days, pitchers would try to put a nick on it. Not now.