Pacquiao dropped his opponent with a stinging left uppercut through the guard in the third, forced Matthysse to take a knee from rights to the head in the fifth and then finished him off in the seventh.
"At the beginning of round one, I had in my mind that I could control the fight but our strategy is to be patient, to take time, don't rush, don't be careless like we did before, " he said. Replay of the "Fight of Champions: Pacquiao versus Matthysse" will also air on GMA Sunday Night Box Office (SNBO) at 10:30 p.m.
Matthysse (39-5) lost via technical knockout after referee Kenny Bayless stopped the fight 2:43 into the seventh round.
"We dictated the pace".
"I said he (Pacquiao) is 39", President Duterte said, relaying his conversation with Pacquiao in an ambush interview after the fight in Kuala Lumpur, Malaysia on Sunday.More news: Russians accused of hacking Democrats in 2016 US election
"It looks like sir Manny's conditioning is good", said IBF super flyweight champion Jerwin Ancajas who was present at the event. "You win some, you lose some", Matthysse said.
Oscar De La Hoya who promotes the WBA champion Matthysse believes the fight can go either way, either Lucas by KO or Pacquiao by decision, he predicts that the fight will deliver in terms of excitement due to their aggressive natures.
Dtuerte then hopes that Pacquiao, one of his closes allies in the Senate, will continue to serve as an inspiration to the Filipino people.
Pacquiao meanwhile recorded his 60th career victory en route to his 11th world title. Venezuela's Carlos Canizales defended his WBA world light flyweight title against China's Lu Bin, stopping him from making history by becoming the first boxer to win a major world title in just two career fights.