Claim CC371: Evidence of blood in a Tyrannosaurus bone indicates recent burial
Claim CC371.1: Soft tissues from a Tyrannosaurus bone indicate recent burial
Brief responses in the Index to Creationist Claims in the TalkOrigins Archive.
Dinosaur Soft Tissue: Soft Tissue in Dinosaur Fossils: Evidence for a Young Earth?
Post by Scott Buchanan on his Letters to Creationists blog. Buchanan has also written a shorter post with the main takeaway points of the main post.
Video in the How Creationism Taught Me Real Science series.
Creation Today Claims - Dinosaur Soft Tissue
Video by Paulogia.
Dinosaur blood and polystrate trees debunked
Video by potholer54. Uses humour.