“You could knock me over with a feather. He’s really fulfilled his potential,” said former West Brom boss Tony Pulis on Sky Sports when told about Serge Gnabry’s four goals in Bayern Munich’s 7-2 humiliation of Tottenham in the Champions League.

The comments were strikingly different from the those made by Pulis back in 2015 when he had Gnabry on loan at West Brom from Arsenal.

Gnabry hits four as Bayern beat Spurs 7-2Champions League scores and resultsChampions League Group stage tables | Fixtures

“Serge has come here to play games but he just hasn’t been for me, at the moment, at that level to play the games,” Pulis said. Shortly afterwards the German was sent back to Arsenal, who sold him on to Werder Bremen for just £4m in 2016.

"You could knock me over with a feather!" 馃槄Tony Pulis reveals what it was like working with Serge Gnabry at West Bromwich Albion following the German's stunning four-goal display against Tottenham in the Champions League tonight. 馃憦 pic.twitter.com/0dkPoBjZBK

— Sky Sports Football (@SkyFootball) October 1, 2019

Since then the 24-year-old has been on a rapid rise, culminating in a sensational return to north London with Bayern Munich.

From Arsenal and West Brom struggler to Champions League record-breaker, we look at the rise of Serge Gnabry