Boro boss Tony Mowbray insists they're not under pressure to sell this summer.
Swans have already held talks with the Championship club about Marvin Emnes and are now being linked with McMahon.
Tribal Football Staff are dedicated to the football tribes from all over the world. Our team is passionate about delivering football news to our hundreds of thousands of followers in all the corners of the globe. Football is life, It never stops, Neither do we.