Best Alex Karev Moments on Grey's Anatomy
15 Alex Karev Moments That Prove He's the Best Character on Grey's Anatomy
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Stressed out about Derek's mysterious lab colleague in D.C., Meredith believes that she was distracted and killed a child in surgery, blaming Alex for making her doubt herself. Alex hugs her tightly, telling her that she did her very best in their surgery together. There's no doubt that Alex has become Mer's person after Cristina left, and he'll continue to play an important part in her life after Derek's passing.