(33) And saw that he was dead already, . . . The only explanation of their not breaking the legs of Jesus seems to be that the purpose of the crurifragium was to ensure death, or, in any case, prevent the possibility of escape. Crucifixion itself would not necessarily cause death for several days, nor, indeed, at all; but Jesus had by His own will committed His spirit to His Father.

19:31-37 A trial was made whether Jesus was dead. He died in less time than persons crucified commonly did. It showed that he had laid down his life of himself. The spear broke up the very fountains of life; no human body could survive such a wound. But its being so solemnly attested, shows there was something peculiar in it. The blood and water that flowed out, signified those two great benefits which all believers partake of through Christ, justification and sanctification; blood for atonement, water for purification. They both flow from the pierced side of our Redeemer. To Christ crucified we owe merit for our justification, and Spirit and grace for our sanctification. Let this silence the fears of weak Christians, and encourage their hopes; there came both water and blood out of Jesus' pierced side, both to justify and sanctify them. The Scripture was fulfilled, in Pilate's not allowing his legs to be broken, Ps 34:20. There was a type of this in the paschal lamb, Ex 12:46. May we ever look to Him, whom, by our sins, we have ignorantly and heedlessly pierced, nay, sometimes against convictions and mercies; and who shed from his wounded side both water and blood, that we might be justified and sanctified in his name.Saw that he was dead - Saw by the indications of death on his person, and perhaps by the testimony of the centurion, Matthew 27:54. The death of Jesus was doubtless hastened by the intense agony of the garden, and the special sufferings endured as an atonement for sin on the cross. Compare Matthew 27:46. 33. But when they came to Jesus, and saw that he was dead already—there being in His case elements of suffering, unknown to the malefactors, which might naturally hasten His death, lingering though it always was in such cases, not to speak of His previous sufferings.

they brake not his legs—a fact of vast importance, as showing that the reality of His death was visible to those whose business it was to see to it. The other divine purpose served by it will appear presently.

See Poole on "John 19:32"

But when they came to Jesus,.... Whom they passed by before, and now returned to; this they did not out of tenderness to him, but that he might be the longer in his torture, and whom they reserved till last, that they might use him with the greater cruelty and barbarity:

and saw that he was dead already; as they might, from the bowing down of his head, the ghastliness of his countenance, the falling of his jaws, and other signs:

they brake not his legs; there being no occasion for it, nor would it have answered any end, were they ever so spiteful and malicious against him; though the true reason was, and which restrained them from it, divine providence would not suffer them to do it.

But when they came to Jesus, and saw that he was dead already, they brake not his legs: