Kakko recorded an assist and went plus-3 in Saturday's 6-5 overtime loss to Utah.
Kakko has signed a one-year, $2.4 million contract with the Rangers on Thursday, Peter Baugh of The Athletic reports.
Kakko scored a goal on four shots in Saturday's 4-0 win over St. Louis.
Kakko scored the game-winning goal in Tuesday's 3-2 victory over the Stars.
Kakko scored a goal on two shots in Thursday's 7-4 win over Montreal.
Kakko posted one shot on goal, four missed shots and two PIM in Monday's 2-1 overtime win over the Avalanche.
Kakko (lower body) was activated from long-term injured reserve ahead of his return to the lineup Sunday against Washington, Mollie Walker of the New York Post reports.
Kakko (lower body) is day-to-day at this stage of his recovery, coach Peter Laviolette told Peter Baugh of The Athletic on Wednesday.
Kakko (lower body) is back at practice Thursday, albeit in a non-contact jersey, according to Arthur Staple of The Athletic.
Per Vince Z. Mercogliano of USA Today, coach Peter Laviolette said Friday that Kakko (lower body) has skated on his own three or four times recently.