Boyle is better than Doughty. He shoots a lot more. Fleischman is far better than Chris Stewart (who is a borderline waiver wire player that is barely a plus PIM guy). He could easily get twice as many points as him by the end of the season.
Doughty if healthly can produce way more than boyle, boyle is getting old, and plays on a downward spiraling sharks team.
With it only being half a season and a healthy St.louis team, withe the likes of perron and McDonald back, Stewart is in the best shape of his life and will be a factor in the blues playoff run this year.