Steve Smith hopeful of playing in third Ashes Test despite concussion

• Smith replaced in Australia team by Labuschagne at Lord’s
• Third Test at Headingley begins on ThursdaySteve Smith remains hopeful of playing in Thursday’s third Test at Headingley despite the delayed concussion diagnosis that led him to report headaches, dizziness and “feeling in a fog” among his symptoms.Australia’s premier batsman became the first player substituted in a Test match under the ICC’s new concussion protocol after failing a cognitiv