[6] During his career, he defeated hall of fame fighters, champions, and top contenders such as Archie Moore, Jimmy Bivins, Bert Lytell, and Arturo Godoy.
On February 11, 1948, Morrow won a controversial 10 round split decision upset over the ring magazine number two ranked middleweight contender and black murderer's row member, Bert Lytell.
Lytell would close strong, decisively winning the last four rounds as Leonard's stamina rapidly drained, but it was only enough for one of the judges to score the fight in his favor.
Despite his stunning upset win against Lytell, the 12–2–1 (6KO) prospect was thought to be over matched up against the experienced ring veteran in Archie Moore who held a record of 92–14–7 (1NC) (69KO) and the California State light heavyweight title.
After defeating Archie Moore, he knocked out Fitzie Fitzpatrick twice, before Bob Foxworth bruised and beat Morrow in 4 rounds of a scheduled 10 in September 1948.