Wally will manage the Acereros de Monclova of the Mexican Summer League, which is officially recognized by MLB as a Triple-A circuit. This league is separate from the Mexican Pacific League which represents Mexico in the winter Caribbean Series.
His relationship with the Mets began June 1977 when the organization made him a first round selection (16th overall) in the June amateur draft. He made his major league debut with the Mets in 1980, and is most remembered by fans for being the gritty starting second baseman of the 1986 World Champions.