The Canadian international had a trial on Wearside last week, with Ross open to adding a defensive option to his squad.
But Edgar will not signing a deal ahead of the January window.
“He came in last week and trained,” Ross said.
“There’s nothing we’ll pursue on that.
Most Popular
-
1
Woman caught smuggling drugs into prison on Christmas visit
-
2
Sunderland store robbers who threatend staff with screwdrivers and terrified customers with children are caged
-
3
Teenage boy, 15, seriously injured after being hit by a bus near Sunderland Greyhound Stadium
-
4
13 of your fan pictures ahead of Sunderland's League One play-off final at Wembley
-
5
Sunderland man loses tenancy after neighbours complain of excessive noise, fighting and drunken behaviour
“He did fine when he was in, we’re just looking at how we can improve and strengthen what we have.
“I’ve said previously I’m not in any desperate rush.
“There’s a couple of areas we’re looking at but the squad as it stands is not too bad.”
Ross has taken a number of trialists on since arriving at the club, admitting that he is always open-minded to looking at a player.
No additions are imminent, however, with the Black Cats boss anticipating a quiet January window.