Manchester City striker Sergio Aguero has heap praise, Pep Guardiola despite his early struggles under the Spanish coach at Etihad.
The 29-year-old became Cityzen
all-time record goalscorer this season as the Argentina international was once instrumental for Guardiola stunning Premier League record-breaking title win.
Aguero finished an injury-curtailed campaign with 30 goals in all competitions and back in position as Guardiola's first-choice striker.
Former Atletico Madrid forward and ex-Barcelona coach did not have a smooth relation at the beginning, who demanded a greater all-around contribution from his striker last season and dropped him in favour of Brazil youngster Gabriel Jesus.
Aguero Speaking in an interview with TyC Sports after City boss, who signed a two-year contract extension to keep him in charge at the Etihad Stadium until 2021 on Thursday.
"Guardiola is very demanding, it wasn't easy at the beginning,
"After Gabriel's arriving, Pep had some alternatives for the starting XI, but at Manchester City we have a lot of matches in different competitions to show our performance."
Aguero has had to watch those matches from the sidelines after keyhole knee surgery over the closing weeks of the season, after a heavy challenge from Manchester United full-back Ashley Young aggravated an existing problem.
However, he said his right knee has been a long-term source of discomfort throughout some prolific exploits.
"From 2013 I have been suffering. I tried to make an effort to play in the Champions League [quarter-final defeat against Liverpool]," he said.
"Pep supported me a lot. I talked with the doctors and I said that if we didn't make surgery I could lose [the chance to play at] the World Cup.
"After five years, my knee is like knew. I've always had problems but now I feel different, I can bend it and it's a relief."
Aguero will hope to feel extra fit at the World Cup in Russia, as he chases his first senior international title.