One of the Dallas Mavericks' key X-factors suffered an alarmingly serious injury at training camp, and this throws a huge wrench into Dallas' rotation.

Dante Exum, who battled through a plantar injury last season to become a trusted part of the Mavericks' rotation, is out again, this time with a wrist injury. The Mavericks announced the right wrist injury,

Spencer Dinwiddie spoke glowingly about the Mavericks’ depth after their final practice at UNLV, saying it’s perhaps the most talented team he’s ever been on. That same depth took a brutal hit less than an hour later when it was revealed that Dante Exum sustained a right wrist injury during this week’s training camp.