Dougherty, 22, notched one goal and 11 assists in 63 games for the AHL’s Milwaukee Admirals last season. He enters his third pro campaign with 141 games of AHL experience, totaling three goals and 23 assists for 26 points.
Dougherty is also a two-time winner of Milwaukee’s IOA/American Specialty AHL Man of the Year honor.
A native of St. Paul, Minn., Dougherty was a second-round selection by Nashville in the 2014 NHL Draft.
Baptiste, 23, collected seven goals and 11 assists for 18 points in 36 games with the AHL’s Rochester Americans last season, and added four goals and two assists in 33 NHL contests with Buffalo.
A fourth-year pro from Ottawa, Ont., Baptiste has skated in 157 career games in the AHL with Rochester, totaling 45 goals and 42 assists for 87 points. He also has seven goals and three assists in 47 NHL games with the Sabres, who selected Baptiste in the third round of the 2013 NHL Draft.