Troy Parrott missed out on Milwall's 1-1 draw with Brentford with an ankle injury that threatens his participation in next month's Euro 2020 play-off semi-final.
The Republic of Ireland striker picked up the injury during his debut in Wednesday's Carabao Cup defeat to Burnley and manager Gary Rowett said today that he was waiting on the results of a scan but expected the Dubliner to be out for at least a couple of weeks.
Ireland face Slovakia in Bratislava on Thursday 8 October.
The 18-year-old missed the Nations Leagues games against Bulgaria and Finland earlier this month through injury.
Millwall took the lead at the Den through Jed Wallace's early goal but Ivan Toney's first Brentford goal, a 21st-minute penalty after he was brought down in the area, salvaged a draw.
Second-half goals from Michael Morrison and Lucas Joao ensured Reading maintained their place at the top of the Sky Bet Championship with a 2-1 win at Cardiff.
Morrison nodded in Omar Richards' free-kick two minutes after half-time before Joao fired in a second to preserve the Royals’ 100 per cent start to the campaign, moving them two points clear at the summit.
The visitors held on despite Lee Tomlin giving them a fright by tapping in with nine minutes remaining.
Joao Pedro netted the winner as Watford remained unbeaten following a 1-0 victory over rivals Luton at Vicarage Road in their first derby meeting for 14 years.
The forward celebrated his 19th birthday with his maiden goal in the 35th minute for the Hornets, who started reported Liverpool target Ismaila Sarr and brought on veteran striker Troy Deeney, to claim a third consecutive clean sheet and end Town’s 100 per cent record.
Wycombe’s difficult start to life in the second tier continued with a 2-0 home defeat to Swansea.
Andre Ayew and Jamal Lowe netted in the opening 23 minutes to maintain the Swans’ unbeaten record and leave the Chairboys pointless.
Free-scoring Blackburn found the net three times in four first-half minutes to condemn Derby to a third consecutive league defeat.
Tyrhys Dolan tapped in the opener in the 11th minute, his second goal in as many games, before Bradley Johnson returned to haunt his former employers with a quickfire double from outside the box.
Adam Armstrong’s sixth goal of the season 13 minutes from time sealed a rampant 4-0 victory.
Chuba Akpom marked his Middlesbrough debut with the opener in a 1-1 draw at QPR.
Boro, without isolating manager Neil Warnock following a positive coronavirus test, went ahead through Akpom in the 19th minute only for Bright Osayi-Samuel to level shortly after.
Birmingham drew 1-1 with Rotherham after two late penalties at St Andrew’s.
Former Cork City midfielder Kieran Sadlier was successful from the spot for the Millers three minutes from time, but Jeremie Bela also converted from 12 yards at the death to keep Blues unbeaten.
Stoke took advantage of Tom Barkhuizen’s 22nd-minute red card as Lee Gregory’s tap-in – his third goal in his last three league games – sealed a 1-0 win at Preston.
Barnsley collected their first point of the campaign with a goalless draw against Coventry at Oakwell.