MONTREAL—The Montreal Alouettes will play one of the biggest games of the season this Sunday against the Toronto Argonauts.

It's the classic 4 point game: either gain some distance on the Argos or fight all season long with them for first.

The challenge in front of the Alouettes offense and Anthony Calvillo is how to lead the charge without two key players, with Whitaker and Bratton missing from the bench. Adding to that difficulty, Calvillo is facing one of the best defenses in the league.

“They play man-to-man coverage,” said quarterback Calvillo about the Argos. “The fact is that they mix up their coverage. The main thing is they get away with it because their [defensive backs] are very strong. It makes it a challenge.”

The message for the week seems to be discipline: take care of the intelligence and composure, and a lot of other things will take care of themselves.

“We know it and we have known it the last couple of weeks that we have to be more disciplined on the field and walk away from those moments,” said Als middle linebacker Shea Emry. “That is first and foremost.”

On the other side of the ball they will face Ricky Ray and the Argonauts, who are surging thanks to a lopsided trade that brought him there from Edmonton.

“The only way to stop Ricky Ray is to stay on the field as long as he can offensively,” said Als head coach Mark Trestman. “He's unflappable. He has the ability to bounce back and get up. Our division has changed dramatically with Ray and Burris here in the east.”

It's a great match up for the Argos and Als and it could very well decide first place this season.