Block was a 17th-round draft pick by the Tigers but will return to WSU.
Bergeron helped take two programs to Omaha.
All three assistants helped lead NMSU to a WAC regular season title last season.
Three Cougs and three signees were selected in the 2019 MLB Draft.
Green was introduced as the 17th head coach in program history.
Green is the 17th head coach in program history.