Baggies officials had told Dorrans he could find a new club this month, providing their £4million valuation is met before the deadline.
And Thomas, who is only just back from a loan spell with Leeds, is also now more likely to hang around with his first-team chances boosted by the misfortune of the luckless Gera.
The Hungarian ruptured the anterior cruciate ligament in his left knee again against Queens Park Rangers and his route back to top-flight football looks to be a long and hard one.
Thomas looks set to be the immediate beneficiary after he made his first senior appearance of the season in Saturday’s FA Cup third round tie at Loftus Road.
Hibernian head coach Neil Lennon claimed referee John Beaton failed to protect his players from 'disgraceful' challenges during a 1-1 draw with St Johnstone.
St Johnstone manager Tommy Wright has accused Neil McCann of deflection tactics as he denied reporting the Dundee boss to the Scottish Football Association.