SEATTLE, Wash. — Seattle Mariners President of Baseball Operations Jerry Dipoto, Director of Player Development Emanuel Sifuentes and Senior Director of High Performance Rob Scheidegger announced today the Arizona Complex League (ACL) Mariners and Dominican Summer League (DSL) Mariners staff for the 2022 season.
“Our player development and process throughout the organization starts in Arizona and the Dominican Republic,” Sifuentes said. “We are thrilled to have these coaches round out a strong minor league staff across our affiliates.”
Willie Concepcion begins his first season in the Mariners organization as manager for the DSL Mariners.