Overview
- O'Leary, 29, agreed a contract through the end of the season after leaving Bristol City.
- Albion await EFL confirmation on whether he was registered in time to play at Derby County on Friday.
- The Republic of Ireland international had been Bristol City's first-choice in recent seasons, making more than 150 senior appearances.
- He lost his place to Manchester United loanee Radek Vitek this season, with his Ashton Gate contract due to expire in the summer.
- He will compete with Josh Griffiths and Joe Wildsmith for the No. 1 shirt, with the low-cost deal reflecting West Brom's profit-and-sustainability constraints.