Digimon Savers

Masaru, a second year Junior High student and undefeated street-fighter, is about to learn the meaning of the word "teamwork." After Agumon escapes DATS, an organization that deals with Digimon, it winds up in a fight with Masaru. Soon Yoshino and Lalamon come to capture Agumon, and the two fighters escape. After an evil Digimon appears, it's up to Masaru and Agumon to defeat it with their DNA Charge. Soon, Masaru must join DATS to put an end to the Digimon coming to Earth. (myanimelist.net)