Sunderland have just missed out on another striker target. Sunderland are once again in the market for a new striker this summer, with sporting director Kristjaan Speakman outlining the club’s need for a new striker earlier this summer. But whether he’ll actually deliver results this time remains to be seen. Speakman has had several transfer windows now to bring in an experienced Championship striker, or at least a striker experienced elsewhere, and he’s failed to do so. Last summer, Sunderland signed three new strikers in Luis Hemir, Mason Burstow, and Nazariy Rusyn, but the three managed jus…