By Tom Gott & Ben Jacobs Bayer Leverkusen right-back Jeremie Frimpong is open to a summer transfer and would favour a return to the Premier League, 90min understands, with Manchester United and Manchester City keen on his signature. Frimpong, a product of the City academy before his move to Celtic in 2019, is on the radar of a number of top clubs after a stellar campaign saw him bag 14 goals and 12 assists as a wing-back for Xabi Alonso’s Bundesliga title winners. Such form has seen him linked with a move away from Leverkusen this summer and sources have confirmed to 90min that Frimpong is ope…