Abraham appeared to land the cleaner more effective blows over twelve rounds as he improves to 41-4 (28 KOs) in the second defense of his title.
“I love coming here,” Abraham said. “It was a great fight. We trained hard. I worked a lot with my jab today.”
Smith falls to 35-4 (20 KOs) in his first world title attempt.
The three judges scored the bout 117-111, 117-111, 119-109.