Wallach has served as bench coach for the past three years under Don Mattingly, first with the Dodgers in 2014-15, and then in '16 with the Marlins. He was Los Angeles' third-base coach in '11-13 and the club's hitting coach in '04-05. Wallach also managed at Albuquerque in '09-10 when it was the Dodgers' Triple-A affiliate. Before playing in the Majors from 1981-96, he played for the Triple-A Denver Bears in '80.
The Rockies have not commented on where the search stands, nor set a timetable for naming a manager.
Others identified as possible candidates are Indians first-base coach Sandy Alomar Jr., former Angels special assistant to the general manager Bud Black, Rockies Triple-A Albuquerque manager Glenallen Hill, Red Sox bench coach Torey Lovullo, Cubs bench coach Dave Martinez, Indians bench coach Brad Mills, Angels third-base coach Ron Roenicke, Braves first-base coach Eddie Perez, Braves special assistant to the GM Bo Porter and Giants bench coach Ron Wotus.
Thomas Harding has covered the Rockies since 2000, and for MLB.com since 2002. Follow him on Twitter @harding_at_mlb, listen to podcasts and like his Facebook page. This story was not subject to the approval of Major League Baseball or its clubs.