Former Sunderland man Kieron Brady has made a ‘make or break’ claim about Black Cats owner Kyril Louis-Dreyfus ahead of this summer. Sunderland enter into a huge pre-season and a huge summer transfer window, which begins on June 14th. There’s a horde of issues for Sunderland to fix this summer, though it largely boils down to the managerial appointment, and what the Black Cats do in the transfer market. Owner Louis-Dreyfus has come under the spotlight, along with sporting director Kristjaan Speakman, following a disastrous 2023/24 season in which Sunderland finished in 16th and only six points…