19 year old Yearwoodcame through the youth system at Southend and is contracted until 2021 and so far has made 60plus frst team appearances for them.
But after suffering an injury before the start of last season, he struggled to get back in the team and regain the impressinve form of the previous season.
It's reported that the Millers have offered £200k for his services, but this has been rejected.