Eric Dane’s Heartbreaking ALS Diagnosis Leaves Fans Rallying Behind the Beloved Mark Sloan as longtime viewers revisit the character who helped define an era of Grey’s Anatomy. Dane’s portrayal of Mark Sloan blended charm, vulnerability, and emotional depth, making his health update especially painful for fans who grew attached to his journey. As the news spread, social media quickly lit up with messages of love and admiration. Fans shared favorite scenes, quotes, and moments that highlighted Sl