As players get ready for the 2018-19 season under new head coach Jim Montgomery, let's take a look at what they did last season and where they can improve in a series we'll call "Summer School." Next up, DallasStars.com senior staff writer Mike Heika takes a look at defenseman John Klingberg:
Previous installments:Jason Spezza, Tyler Seguin
Summer School: Will Klingberg enjoy another Norris-worthy campaign?
The All-Star ranks fifth in points among NHL defenseman since entering the league in 2014