Grant backs Ba to emerge as a West Ham star
Ba completed his move to Upton Park from Hoffenheim last month after walking out on the German side, with whom he enjoyed two-and-a-half prolific seasons.
Grant was reluctant to throw the 25-year-old straight into action as he had not played since December 18, but a calf injury to Robbie Keane meant he was handed his first start against West Brom last week.