Alice Piper is joined by Sky Sports football writers Charlotte Marsh and Ron Walker to discuss the big talking points from the weekend's action as Premier League football returns after the international break. PART 1 | Ronaldo's second debut assessed, what did he change? Can he lead Man Utd to the title? Will Newcastle fans' protest against Steve Bruce change anything? (0:48) PART 2 | Is Romelu Lukaku the 'complete striker'? Are Chelsea showing their title credentials, and what does a first win - and goal - of the season do for Mikel Arteta? (16:58) PART 3 | What does Liverpool's bright start mean for their title challenge? Have Spurs hit a bump? And who's caught the eye in the opening weeks of the season? (32:17)