"The Messenger of Allah (ﷺ) led us in Zuhr prayer and Abu Bakr was behind him. When the Messenger of Allah (ﷺ) said the Takbir, Abu Bakr said the Takbir so that the people could hear."
Sunan an-Nasa'i Book 10, Hadith 22
← Previous Hadith "The Prophet was in front of Abu Bakr and he prayed sitting down, and Abu Bakr was leading the people in prayer, and the people were behind Abu Bakr."

Sunan an-Nasa'i Book 10, Hadith 21 Next Hadith → "We entered upon 'Abdullah at midday and he said: 'There will be rulers who would be distracted from praying on time, so pray on time.' Then he stood up and prayed between him and I, and said: 'This is what I saw the Messenger of Allah (ﷺ) do."'

Sunan an-Nasa'i Book 10, Hadith 23