Mark 11:9
And they that went before, and they that followed, cried, saying, Hosanna; Blessed is he that cometh in the name of the Lord:
Cross-reference
Psalm 118:25 is the source of 'Hosanna' (save us), the very cry the crowd shouts, linking Jesus' entry to the Psalm's plea.
Psalm 118:26 provides the exact phrase 'Blessed is he who comes in the name of the Lord' that the crowd proclaims.
Matthew 21:9 records the same crowd shouting the same words, a parallel account of the triumphal entry.
Luke 19:38 records the same acclamation with 'Blessed is the King' — a parallel account of the triumphal entry.
John 12:13 gives the same cry with 'Hosanna! Blessed is he...' — another parallel account.
John 19:15 shows the crowd later rejecting Jesus ('We have no king but Caesar') — contrasting the earlier praise.
Zechariah 9:9 prophesies the king coming on a donkey — directly fulfilled in the triumphal entry here.
Matthew 11:3 asks 'Are you the one who is to come?' — the same Messianic title 'he who comes' used in the Hosanna cry.
Luke 13:35 records Jesus predicting Jerusalem's future cry of 'Blessed is he who comes' — the same phrase the crowd shouts here, now fulfilled.
Matthew 23:39 quotes the same Psalm verse as a future prediction, connecting this acclamation to Israel's eventual recognition of Jesus.
Jeremiah 30:21 promises a ruler from Israel's midst who will approach God — a Messianic prophecy of the coming one.
John 6:15 shows the crowd wanting to force Jesus to be king, while here they hail him willingly — contrasting responses to messianic expectation.