I just read the article you linked to and no mention of the process by which the writers are selected. Maybe I missed it though. I'm not saying I have a low opinion but some of the writing I've seen on it isn't that great. That being said, yes, some of the writing we see in our supposed national newspaper the Globe isn't that great but at least I know the people are employed and hired by the corporation. I like Bleacher Report, some good reads.
I'm not deeply entrenched in my opinions, I'm always open to new information and suggestions. But there is a reason in academics that researchers write in peer-reviewed journals and why there are levels of evidence as to why a narrative review article is considered lower evidence than a systematic meta-analysis published in a peer-reviewed journal with explicit methodology provided. Not saying sports articles need to go to that length but I think some publications do tend to be of lower quality for a variety of reasons even if the actual writing or grammar of an article might be excellent.
As I say I like the Bleacher Report but ask journalism experts where it ranks and I have an idea that it wouldn't rank as high in their opinion as say the Economist, for example. That's a bad example since it isn't sports. Say maybe Sports Illustrated, better example probably.