Popsugar Entertainment Grey's Anatomy Meredith and Maggie's Relationship on Grey's Anatomy Grey's Anatomy: A Look Back at Meredith and Maggie's Sibling Rivalry September 12, 2016 by Amanda Rosenberg View On One Page Photo 8 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Now Comes Healthy Competition They start bickering like sisters. Previous Next Start Slideshow Grey's AnatomyTVGifs