Chaput, 26, played 55 games with the AHL’s Utica Comets in 2017-18, his sixth professional season. He recorded 17 goals and 25 assists for 42 points with Utica, leading the team with nine power-play goals and finishing second in points.
A native of Ile-Bizard, Que., Chaput also appeared in nine NHL games with Vancouver.
Originally a third-round choice by Philadelphia in the 2010 NHL Draft, Chaput has played in 301 regular-season games in the AHL with Utica, Lake Erie and Springfield, totaling 77 goals and 121 assists for 198 points. He has 16 points in 35 postseason contests and won a Calder Cup championship with Lake Erie in 2016.
Chaput has tallied six goals and 11 assists in 135 NHL contests with Vancouver and Columbus.
Kero, 25, will enter his fourth pro season in 2018-19. He was limited by injury to just 36 AHL games with Rockford last season, totaling eight goals and 12 assists for 20 points. He added one goal and two assists in eight NHL games with Chicago.
A native of Hancock, Mich., Kero has notched 40 goals and 44 assists for 84 points in 130 career AHL matches, all with the IceHogs. He has also compiled eight goals and 14 assists for 22 points in 72 NHL games with the Blackhawks.