John 21:20
Peter turned around and saw the disciple whom Jesus loved [i.e., probably the apostle John] following [along behind him]. This was the same disciple who had leaned over close to Jesus at the [Passover] meal and asked Him, "Lord, who is it that will turn you over [to the Jewish authorities]?"
John 21:7
So, that disciple whom Jesus loved [i.e., probably the apostle John] said to Peter, "It is the Lord!" When Simon Peter heard it was the Lord, he wrapped his outer robe around him, (for he [had taken it off and] was wearing only his underclothing) and jumped into the lake.
John 20:2
So, she ran and came to Simon Peter and to the other disciple, whom Jesus loved [i.e., probably the apostle John], and said to them, "They have taken the Lord out of the tomb and we do not know where they have put Him."
John 13:23-26
One of Jesus' disciples, [the one] He loved [Note: Probably this was the apostle John] was reclining at the dinner table close to Jesus.
John 21:24
This is the disciple who is giving testimony about these things and has written them down, and we know his testimony is true.