He pointed to the sky after finding the target against the Foxes, in an emotional celebration, and posted on social media afterwards: "With me always, especially this day. That was for you, Keelan."
Guardiola said: "Jack is an incredible human being. I didn't know [about the anniversary]. I can't imagine how tough it can be for mum and dad, his sister and all the family. It's good that this day he remembers him. I'm pretty sure they remember every single day. He scored a goal and made a good game."