It's not even training camp but Mavericks already have a D'Angelo Russell problem

Mavericks must ensure they aren't putting too many eggs into one basket with D'Angelo Russell.

D'Angelo Russell | Sam Hodde/GettyImagesEntering the offseason, the Dallas Mavericks were in search of a stopgap point guard while Kyrie Irving remained sidelined with a torn ACL. While fans don't know when Irving will return to basketball activities and be able to impact the game at a winning level again, the Mavericks needed to find a player through free agency who they thought could hold down the fort until Irving could return.

Plenty of names circulated in and out of rumors for the Mavericks, but D'Angelo Russell continued to be talked about as a potential Irving replacement just days before…