Kimi's lap times were already getting worse before he went into the pits. I've read enough comments that agree with my point of view, so it's not fanboyism at all, since I'm a Kimi fan as well. Seb was clearly catching up to Kimi before he went into the pits, and it was a great drive by Seb to get such amazing lap times out of his old tyres. And even after Kimi was behind Seb, he couldn't keep up at all.