opt in favor of (someone or something)
To choose some person or thing in preference to someone or something else. The kids opted in favor of a trip to Disneyland instead of New York City. Personally, I would opt in favor of staying home. You had a very strong application and interview, but the company has opted in favor of someone else.
opt in favor of someone or something
to choose a particular person; to choose a particular thing. Do you think she will opt in favor of this one or that? We will opt in favor of David.