Daniel Ellis, Jason Niblett and Scott Sunderland's win in the men's team sprint came two days after lead sprinter Daniel Ellis was confined to his bed with a stomach virus.
Saddlers supporters had feared a repeat of the January transfer window, when young defenders Scott Dann and Daniel Fox were sold to near neighbours Coventry City.
West Brom keeper Scott Carson was then called into action when Daniel Cousin's deflected shot caught him wrong-footed but the keeper did brilliantly to scoop the ball off the line.
Marcum left the game with two on and two out in the seventh and Scott Rice's wild pitch to pinch hitter Ty Wigginton allowed Daniel Descalso to score the go-ahead run.
He left the game with two on and two out in the seventh and Scott Rice's wild pitch to pinch hitter Ty Wigginton allowed Daniel Descalso to score the go-ahead run.