 On 23 June, McGuinness defeated Hero in a 30-minute time limit match, but Hero came back on 10 August and defeated McGuinness with help from his agent Larry Sweeney and the Sweet 'n' Sour Inc. in a match contested under pure wrestling rules.On 15 September 2007, at Man Up, ROH's third pay-per-view, McGuinness defeated Chris Hero, Claudio Castagnoli and Naomichi Marufuji in a four-way match to earn one more shot at Takeshi Morishima's ROH World Championship, which McGuinness won at Undeniable on 6 October 2007.In late 2007, ROH confirmed that McGuinness had suffered a torn biceps and would be out of action until "Final Battle 2007", however he would not be stripped of the ROH World Championship.