However, this week I'm feeling challenged by his independence and lack of progression in potty training. (simplymombailey.com)
I think it is unanimous that the fans are frustrated at the clear lack of progression from a so called big club. (justarsenal.com)
The reasons are what you should be talking about and one could say it's been horrible coaching, lack of playing time which led to overall lack of progression because of stunted growth. (sbnation.com)