Although just six feet tall, Morrow outflanked bigger opponents week after week. Possessing an iron will, he was a fine mark in contested situations and had a great leap.

For the entirety of his league career, Morrow wore an old knee bandage to shore up the leg he injured aged 15. In his last season in 1966, he spent most of the year resting in a pocket, but the suspension of Carl Ditterich thrust him back into the ruck and he responded in typical style.