Albion boss Tony Mowbray made two changes during the interval, sending on Youssouf Mulumbu and Shelton Martis for Jay Simpson and Abdoulaye Meite.
BBC: West Brom 3-0 Sunderland
2.
Rovers skipper Stock was replaced by James Coppinger, while Thomas was handed his first Doncaster appearance when Martis was forced off injured in the 74th minute.
BBC: Sport - Football - Doncaster 1-1 Bristol City
3.
It bought a privately owned Finnish company, Martis Oy, in 1993 and is selling cable telephone systems in the Netherlands, in partnership with Dutch company A2000.