The Raptors announced the switch about 15 minutes before tipoff.
Raptors start Powell over Valanciunas in Game 4 vs. Bucks →
Fellow All Star DeMar DeRozan is Lowry's closest friend on the Raptors, but said he hasn't felt the need to deliver any kind of message of support or encouragement to his locker room neighbour.
Raptors, Kyle Lowry look to recover from latest slow start →