Cobourne missed the following Toronto victory, the 24-23 Winnipeg loss, and the loss to Edmonton.
He allowed four earned runs in 10 1/3 innings and did not receive a decision in two Toronto victories.
The series opened at Wachovia Center in Philadelphia, and the goals were plentiful in a 5-3 Toronto victory.
In fact, he retired the first 19 batters he faced and pitched into the seventh inning of the 9-2 Toronto victory.
Sundin said he was injured after a face-off in the first period of Game 1, a 3-1 Toronto victory.
The series opened at Maple Leaf Gardens with a 5 to 2 Toronto victory.
Home-ice advantage continued to be a factor in game four, a 3-1 Toronto victory.
Any combination of New York losses and Toronto victories equaling six clinches the division for the Jays.
Any combination of Toronto victories or Milwaukee losses equaling two will eliminate the Brewers.
One Toronto victory or Milwaukee loss - they meet again Sunday - will eliminate the Brewers.