Is 50+12 mil enough for him?

So I got a bid for this guy from Bayer. He was one of my first wonderkids, and now he's my captain. But he is inconsistent, his average rating rarely goes above 6.8, so I thought about selling him. But I just think maybe I can get more money for him?

So I got a bid for this guy from Bayer. He was one of my first wonderkids, and now he's my captain. But he is inconsistent, his average rating rarely goes above 6.8, so I thought about selling him. But I just think maybe I can get more money for him?