McCullum plays with Lynn as his partner in the BBL and Williamson was companion in New Zealand.
“Gabriel is a world-class bowler." - Venky Mysore.
They have also appointed a new assistant coach for the season.
Three matches will be played in Florida.
PSL 3 saw the best fielding standards across all major T20 franchise cricket leagues around the world.
The left arm pacer is expected to represent them in a good number of games.
He will be eager to get back on the field and make his mark.
Rumman was last seen in action during the 2018 edition of the Pakistan Super League
The left-arm pacer recently played for the Multan Sultans in the third edition of the Pakistan Super League (PSL).
The teenage sensation and his amazing story is set to continue.