Has time caught up with Robertson?

BBC chief football writer Phil McNulty answered some of your questions during a special Q&A session.

Michael asked: What have you made of Andy Robertson's performances this season? His form seems to have fallen off a cliff and he has been really poor. Do you think time has caught up with him?

Phil answered: I wouldn't say his form has fallen off a cliff, but he hasn't been at his best. I suspect that left-back is a position Liverpool will look to strengthen as Robertson is 31 now.

He has been a magnificent player for Liverpool, winning all of the big prizes, so I wouldn't be writing him off.

However, I do expect Liverpool to buy a left-back this summer.