Sky Puk only premier league lagging and only during gameplay

[simonjjjgranr]

My sky puk is lagging when i watch any premier league game. A few key points to note.

- The audio stays fine and continues without issue

- The video will "jitter" and catch up with itself about once every 10 mins, only for about a second - but enough to notice

- It only hapens when watching premier league football

- It only happens when the game is actually being played... the pre show / half time coverage / post game coverage is fine

- It has only started happening this season

- It doesn't happen on any other sports programme I watch in UHD, such as F1, The Hundred etc

- The PUK is connected via an ethernet cable to a 1gb fibre connection

- I've done al the usual PUK resets etc

Given all of the above, i'm of the opinion that it isn't an issue at my end... instead an issue somewhere within Sky itself... anyone else share a simialr experience? specifically it only happening during the actual time that the game itself is being played?

[simonjjjgranr]

Just to add, my sky glass TV which connects over WiFi is fine. 

Watching the same game at the same time, it seems the PUK struggles to decode the video, where as the glass TV remains smooth... so pretty sure it's not an Internet problem