And in January , Oilers top prospect Leon Draisaitl became a Rocket .
In December , they added defenceman Josh Morrissey , the 13th - overall pick by the Jets in 2013 .
In January , Oilers top prospect Leon Draisaitl became a Rocket .
In December , they added defenceman Josh Morrissey , the 13th - overall pick by the Jets in 2013 .