Rounding up the players linked with the Robins this week.
The forward is expected to confirm his move to Rangers soon.
This season's Championship is still ongoing but thoughts are already moving to next year.
The Blues star posted the message on social media.
BCFC are due to receive a sizeable sell on fee if and when Butland is sold by Stoke City.
Potter has left the Welsh club after only one season.
The Blues players who have been released and those with less than a year left on their current contracts at St Andrew's. Share this video. Watch Next.
Legion FC continues its season on Wednesday at home against Nashville SC at BBVA Compass Field.