Direct /blog traffic to a different origin using cloudflare?

We have our domain set up to send all traffic to a particular origin (which hosts our website). We want to set up a blog at

I’m wondering if there’s a way (e.g. using Cloudflare’s proxy) to direct all traffic hitting /blog/* to a different origin (i.e. our hosted blog) so that we don’t have to host our blog at

Read Reverse Proxy for subdomains hosted on HubSpot