LEYTON Orient skipper Stephen Dawson will miss the team's FA Cup first-round replay against Dagenham & Redbridge at Brisbane Road on Tuesday through injury.

The midfielder was the victim of a horror tackle from Carl Regan during the O's 3-0 win at Bristol Rovers, and was forced to hobble off before half-time, eventually leaving the ground on crutches.

Regan was sent off for the offence, but that will come as no consolation to Orient manager Russell Slade, who will be missing one of his most influential players for the visit of the Daggers.

“He has no chance of making the Daggers game,” said Slade. “It was a really bad tackle and even (Paul) Trollope (Rovers boss) would be disappointed with that. It was a horrendous challenge and we still don't know what the damage is but he's on crutches right now.

“There's horrendous bruising from the bottom of the calf down the back of the leg. We'll need a scan on it and will leave it in the hands of the medical people.

“He's tough, tough Irishman and for him to come off it has to be serious. It could be both his muscle and bone. We're trying to protect it but we'll have to wait and see.”

Dawson had earlier played a pivotal role in Orient's opener at the Memorial Stadium on Saturday. His rampaging run into the box was followed by an exquisite chip to the back post, where Dean Cox was waiting to hammer home a volley. Alex Revell bagged the other two goals as the O's picked up their first away win in the league for 18 games.