Matthew 3:6 records the actual baptisms that form the backdrop for John's explanation of his water baptism in 3:11.

Matthew 8:8 has the centurion's 'I am not worthy' — same humble phrase as John's unworthiness to carry sandals.

Matthew 11:11 contrasts John's greatness with the least in the kingdom, explaining the transition John announces here.

Isaiah 59:20 prophesies a Redeemer coming to those who repent — the same coming one John announces will baptize with Spirit and fire.

In Acts 19:4, Paul explains John's baptism pointed to belief in Jesus, complementing the coming one mentioned here.

Acts 13:25 quotes John's saying about not being worthy to untie sandals — a direct citation.

Acts 2:2-4 records the fulfillment of Jesus's Spirit and fire baptism at Pentecost — tongues of fire and filling with the Holy Spirit.

In Acts 1:5, Jesus recalls John's water baptism and promises the Spirit baptism soon, directly echoing the contrast here.

John 1:34 identifies Jesus as God's Son after seeing the Spirit descend — confirming the coming one in Matt 3:11.

In John 1:33, God reveals to John that the one baptizing with the Holy Spirit is identified by the Spirit's descent.

John 1:30 gives John's earlier testimony: the coming one ranks before him because he existed before.

John 1:27 records the same saying about untying sandals — John's confession of unworthiness before Jesus.

In John 1:15, John testifies that the coming one surpasses him in rank and pre-existence, amplifying the 'mightier than I' here.

In Luke 3:16, John's identical statement contrasts water baptism with the coming one's Spirit and fire baptism.

In Luke 3:3, John's baptism of repentance is described as for forgiveness of sins, complementing the water baptism mentioned here.

Isaiah 44:3 promises God pouring out His Spirit on descendants, directly prefiguring the Spirit baptism John foretells.

Mark 1:8 records the identical saying: John baptizes with water, Jesus will baptize with the Holy Spirit.

Mark 1:7 is the parallel account of John's proclamation — same imagery of sandals and unworthiness.

Mark 1:4 summarizes John's baptism of repentance — the same ministry that Matthew 3:11 describes in John's own words.

Malachi 3:2-4 describes the coming Lord as refining fire who purifies people — the same fire of baptism John attributes to the coming Messiah.

Luke 1:76 describes John as the prophet preparing the way — exactly his role here.

John 1:20 shows John explicitly denying he is the Messiah, reinforcing the humble forerunner role stated in Matthew 3:11.

Luke 1:32 identifies the coming one as the Son of the Most High — the mighty one John speaks of.

John 3:5 links being born of water and Spirit to entering God's kingdom, echoing the Spirit baptism Jesus will bring as foretold in Matthew 3:11.

John 3:28 records John's own testimony that he is not the Messiah but sent ahead, directly supporting his words in Matthew 3:11.

Acts 2:3 directly fulfills the 'fire' aspect of Matthew 3:11, as tongues of fire appear when the Spirit descends at Pentecost.

John 14:26 describes the Holy Spirit as teacher and advocate, expanding on the Spirit baptism Jesus promised in Matthew 3:11.

1 Corinthians 12:13 describes being baptized by the Spirit into Christ's body — the same Spirit baptism John prophesied that unites believers.

In Acts 11:16, Peter quotes Jesus' promise of Spirit baptism, which itself echoes John's statement here.

Acts 11:15 records the Holy Spirit falling on Gentiles, mirroring the Spirit baptism John foretold — another fulfillment example.

John 13:6 shows Jesus washing feet, an act even lower than carrying sandals, highlighting the humility of the one John felt unworthy to serve.

John 3:23-36 expands on John the Baptist's role, emphasizing Jesus' supremacy and the Spirit without measure.

In Luke 1:17, John's Elijah-like role prepares people for the Lord, connecting to the coming one announced here.

In John 1:26, John emphasizes water baptism and the unrecognized presence of the coming one among them.

John 10:41 affirms that all John said about Jesus was true, including his prophecy of Spirit baptism in Matthew 3:11.

In Acts 13:24, Paul summarizes John's role: a baptism of repentance, aligning with the water baptism part here.

Zechariah 13:9 describes refining fire that purifies God's people — parallels the fire of judgment and purification in John's baptism with fire.