Berube, 26, appeared in 15 AHL games with Rockford last season, going 7-8-0 with a 2.37 goals-against average, a .920 save percentage and two shutouts. He was also 3-6-1 (3.78, .894) in 13 games with the Blackhawks.
A fourth-round draft pick by Los Angeles in 2009, Berube has appeared in 125 career AHL games with Rockford, Bridgeport and Manchester, going 78-38-5 with a 2.30 GAA, a .914 save percentage and eight shutouts. In 2014-15, he participated in the AHL All-Star Classic and later backstopped Manchester to a Calder Cup championship.
Berube has appeared in 34 career NHL games with Chicago and the N.Y. Islanders, posting a record of 9-10-4.
Schroeder, 27, enters his ninth pro season in 2018-19 after tallying 14 goals and 22 assists for 36 points in 48 games for Cleveland last year. He also notched one goal and one assist in 21 contests with Columbus.
A first-round pick (22nd overall) by Vancouver in the 2009 NHL Draft, Schroeder has skated in 340 AHL games with Cleveland, Iowa, Utica, Chicago and Manitoba, recording 91 goals and 140 assists for 231 points. He has played at least 20 NHL games in each of the last six seasons as well, appearing in 165 matches with Columbus, Minnesota and Vancouver and registering 18 goals and 24 assists for 42 points.