If we are talking strictly about 2015 draft eligible D men then..
The ISS top 50 for the 2015 NHL draft only has Parker Wotherspoon listed at 28th. Some of the mock drafts have Ryan Pilon going in the first round, and Brandon Carlo from Tri City and Connor Hobbs from Medicine Hat going in the third round.
I can't really speak for the depth charts of every team in the league, but I will say who I am going to be watching. It would be sweet if fans of every team could chime in about who they are looking forward to watching the development of on their teams this year.
I am a Hitmen fan so I am primarily focusing on the development of Travis Sanheim and Ben Thomas. They were a pairing all season long last season and have now both been drafted. A summer of hard work and NHL training camps should be good for their development. Sanheim was also invited to the Hockey Canada summer world Junior camp as well.
The depth chart is as follows for the Hitmen this season:
Helegesen Harmsworth
Sanheim Thomas
Zipp Morrison
This is what I think it will look like, and this is assuming the Anaheim Ducks return Helgesen to Junior as an overager. If Helgesen doesn't come back and ends up in the AHL then the Hitmen will need to start wheeling and dealing to improve their D core. They may have to anyway...
Micheal Zipp is interesting because the Hitmen played him at forward and Defense last season. I don't think they will have that luxury again, and with Sanheim and Thomas both having an offensive element to their game they may be missing the shut down D man. Colby Harmsworth could be that guy I guess, but he constantly goes through hills and valleys with me and I never really know how to feel about him.
Contenders for the lineup / D men on the horizon would be Lochlan Morrison 97, Alex McGovern 97, Aaron Hyman 98, Jake Bean 98, Taner Miller 98...
I'm excited about Hyman and Bean. Hyman is huge and has that Bouwmeester lower body that makes me think he will be minute eating shutdown force on the Hitmen blue line for years to come. Bean played for the Edge School last season and almost led his team in scoring as a defenseman with 69 points in 57 games. The next defenseman on the team had 26 points. They are both 16 though...
Calgary Flames draft picks I will have my eyes on are Brett Kulak if he is returned as an overager to the Giants. Keegan Kanzig in Victoria. Eric Roy in Brandon.