It’s far more frightening than the “Day of Mourning” Toronto FC supporters organized on Saturday.

More chilling than the idea of the gridiron inevitably coming to BMO Field this time next year.

Quite frankly, it’s a downright horrifying “what if.”

Where would TFC be without Tim Leiweke?

A “scary” question, for those the Toronto Sun talks to at MLSE, a sports company poised to lose its CEO by June 30.

When asked to ponder it, they “didn’t want to think about it.”

And that’s what made Saturday’s incident between a fan and Leiweke, TFC’s top man, frighteningly mind-boggling.

Toronto FC fan spars with Leiweke on video

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Since-deleted video surfaced on Sunday of a TFC supporter — believed to be a member of U-Sector — in a heated squabble with MLSE’s head honcho, who entered the south stand to make a peace offering.

Leiweke was cursed at by a small group of supporters, according to those in the vicinity, with the supporter in the video going toe-to-toe with the CEO and repeatedly telling him to go back to where he came from.

All of this, most likely, because a beleaguered Canadian Football League club is moving into BMO Field in 2016.

It’s not ideal. It very well could have some ramifications on the grass field.

But MLSE’s $120-million investment to bring BMO Field into the 21st century has been a decade in the making. The stadium was never meant to be a soccer-only facility, despite MLS supporters — myself included, at times — bickering back and forth with pointy-ball fans in this city.

Don’t believe me? Go back 10 years and look at Toronto city council’s minutes.

A decade later and, well, here we are: Soccer fans spewing hate at a man who followed through on the city’s obligation.

Because, as one well-placed source put it, “there were powers that be who were going to make (Argos-to-BMO) happen.”

With that in mind, Leiweke’s team has done everything it can to ensure BMO Field’s playing surface remains pristine.

Whether that technology — artificial lights, underground heating, a hybrid surface — will work remains to be seen.

Regardless, the Argos-to-BMO was inevitable. The long delay is what has made it a little more painful.

The massive span of time — nine MLS seasons — is what provoked supporters to don black during Saturday’s game.

But the vitriol hurled at Leiweke that day — some fans, rather pathetically, said he deserved it for daring to approach them — was more than uncalled for. It was flat-out bizarre.

It ignored everything TFC has done the past two years.

When Leiweke’s big splash for Jermain Defoe blew up in the club’s face, he doubled down on Giovinco.

Ask yourself: Where would this club be under former TFC president Kevin Payne?

Answer: Probably still handing out inukshuks to players and staff — yes, that actually happened — to symbolize teamwork.

Leiweke, on the other hand, convinced MLSE’s board to start handing out fat paycheques.

The result? Sebastian Giovinco completely embarrassing the Portland Timbers over the weekend in a 1-0 win — the club’s fourth victory of the season despite playing eight of its first 10 games on the road.

And we haven’t even begun to talk about TFC II, Benoit Cheyrou and all the other improvements general manager Tim Bezbatchenko — hired by Leiweke — has facilitated, including adding a number of other key pieces this off-season.

Add it all up and Saturday’s “Day of Mourning” in the south stand should have commemorated Leiweke’s departure — the fear being MLSE’s next CEO won’t follow through on his predecessor’s vision.

But to say Leiweke is the only person at MLSE who cares about the club is also an ill-advised description.

Certain TFCers, thrilled to play in a new stadium, have also vowed to hold MLSE to its soccer commitments.

Because the one thing worse than watching soccer on a torn-up pitch is playing on it.

Again, though, whose fault is it? The idea that there was any other Argos solution just doesn’t ring true.

And it’s unfortunate a faction of TFC supporters continue to paint MLSE as some kind of money-hungry evil empire. After all, like TFC’s number of playoff appearances, the club’s season-ticket prices haven’t increased for Day 1 holders.

Saturday was a “dark day” in the club’s south stand, all right.

It showed some supporters might not realize how good they had it when Leiweke leaves.

A day of mourning, indeed.

kurtis.larson@sunmedia.ca

@KurtLarSUN