From his biography, he was born and also grew up in the city of Rio Piedras, his mother is called Gloria and she was a fan for baseball and she played in the fastpitch softball league of men. The family was living in the crowded apartment with a brother or a sister and Pagan did not have enough space to play. His mother trying to direct his high level of energy to something constructive, he asked him to start playing sports. He joined first the tee ball team when he was six and continued to play until he reached the adulthood. Baseball helped him to stay away from the dangers that were in his neighborhood. He tried boxing and basketball but he loved baseball even more since he fell in love with such sports.

The Mets were interested in him and they picked him as the fourth round pick of 1999 in the amateur draft. They were not able to come to terms and he decided to play for Indiana River State College of Florida instead. They agreed to his terms one day when they were about to lose the signing rights. He played 5 seasons with the Mets farm system and afterwards he joined Chicago Cubs.

Angel Pagan is married and his wife is called Windy Pagán. They have two daughters together and they are called Suil Angelina and Briana. Pagan was arrested for traffic violation in 2009 at Port St Lucie in Florida. It is said that he was driving using a suspended license and he was stopped before because of speeding. After the checking of the license, it was found out that there are many warrants that where out for his arrest since he failed to pay for the traffic fines.

Angel Pagan plays international and he was a part of Puerto Rico national baseball team in the year 2013 World Baseball Classic. He led his team to the finals but they did lose to Dominican Republican. He finished the tournament when he had already achieved 364 points as average in order to lead the team.