Smith, 23, enters his fourth professional season in 2016-17 after setting career highs with 20 goals, 36 assists and 56 points while skating in an AHL-best 77 games between Toronto and San Antonio last season.
A seventh-round draft choice by Colorado in 2012, Smith added one goal and four assists in nine Calder Cup Playoff games with the Marlies.
The Edmonton native has played 206 career AHL games with Toronto, San Antonio and Lake Erie, recording 40 goals and 81 assists for 121 points. He made his NHL debut with the Avalanche in 2014-15, appearing in one contest.
Cliche, 29, has played 385 regular-season games in the AHL over his nine pro seasons, tallying 75 goals and 96 assists for 171 points with Manchester, San Antonio and Bridgeport. He split the 2015-16 season between the Rampage and Sound Tigers, totaling seven goals and 13 assists in 44 contests.
A second-round draft choice by the New York Rangers in 2005, Cliche spent six seasons in the Los Angeles Kings organization before spending the entire 2013-14 and 2014-15 seasons in the NHL with Colorado. He has three goals and 11 assists for 14 points in 151 career NHL games.
Clune, 29, tallied eight goals and 16 assists for a career-high 24 points and posted a plus-20 rating in 49 AHL games with the Marlies in 2015-16, his ninth pro campaign. He added three points in 15 postseason games, scoring the game-winning goal in Game 7 of Toronto’s second-round victory over Albany, and also had four assists in 19 NHL games with the Toronto Maple Leafs.
The Toronto native has played 386 regular-season games with Toronto, Milwaukee, Manchester and Iowa, recording 40 goals and 76 assists for 116 points along with 1,252 minutes in penalties.
A third-round selection by Dallas in the 2005 NHL Entry Draft, Clune has appeared in 139 career NHL games with Los Angeles, Nashville and Toronto, notching seven goals and 15 assists for 22 points with 327 PIM.