De Leo, from La Mirada, Calif., played 69 regular-season games for the AHL’s Manitoba Moose in 2017-18, tallying 12 goals and a career-high 23 assists for 35 points. He added two goals and six assists in nine postseason games as the Moose reached the second round of the Calder Cup Playoffs.
De Leo appeared in 211 games with Manitoba over his first three professional seasons, totaling 45 goals and 62 assists for 107 points. He also skated in two NHL games with Winnipeg, both in 2015-16.
De Leo was originally drafted by the Jets in the fourth round in 2014.
Kerdiles, 24, skated in 49 games with San Diego last season, scoring 15 goals and setting career highs with 19 assists and 34 points.
Entering his fifth pro season in 2018-19, Kerdiles has appeared in 178 AHL games with San Diego and Anaheim, registering 47 goals and 59 assists for 106 points. He also has seven goals and five assists for 12 points in 18 Calder Cup Playoff games.
Kerdiles was selected by Anaheim in the second round (36th overall) of the 2012 NHL Draft. He has appeared in three career NHL games with the Ducks.