Mohamed Sissoko and Marouane Chamakh saw action for West Brom U23 in their win over Brighton.
Sissoko completed the full game, with fellow trialist Chamakh playing 63 minutes in a side that included Jonathan Leko and Kane Wilson.
Baggies midfielder James Morrison also played a full game as Albion beat Brighton 1-0 at The Hawthorns in the Premier League 2.
Albion were dominant throughout, playing clever, incisive football, with Callam Jones' goal the difference between the two teams.