Do the Celtics have a depth issue?

The NBA Today crew featuring former Boston Celtics center Kendrick Perkins break down whether the team's depth or potential lack there of will be an issue this coming season. Prize offseason acquisition Kristaps Porzingis recently dropped out of the FIBA World Cup due to Plantar fasciitis. According to the Celtics, Porzingis is expected to rehab the injury for the next 4 to 6 weeks and should be ready for the start of training camp.