He told Absolute Radio: "Yes I think he's been fantastic this year, I think he is arguably the number one striker out there in our league at this time. I'm just slightly concerned if Real Madrid came calling for him, could they resist the offer, could the boy resist the offer.
"So that's my biggest concern, not whether he wins an individual trophy, he certainly deserves one, but my bigger worry is that if a Barca or a Real Madrid came falling for him, Spanish speaking that might be too tempting for him."
Souness was talking to Ian Wright of Absolute Radio's Rock n' Roll Football. Every Saturday from 5pm on 1215AM. For more, visit absoluteradio.co.uk/football