Shortstop Jose Iglesias is still eligible for arbitration. He is asking for $6.8 million, and the team is offering $5.6 million.
Castellanos hit .272 with 26 home runs and 101 RBIs last season. He started 128 games at third base and 20 in right field. He might play more in the outfield in 2018 if Jeimer Candelario can hold the third-base job.
In addition to his base salary, Castellanos has a $25,000 bonus for 500 plate appearances.
Wilson went 2-5 with a 4.50 ERA in 66 relief appearances last year, and Greene was 4-3 with a 2.66 ERA and nine saves.