The team's debut on May 6, 2005, set a league attendance record of 10,116. Though the team finished in last during the first half of the season, the Diablos came alive in the second half, finishing in third and just missing the playoffs. The team set an attendance record for the league, finishing with an attendance of 190,429. The team also had several other special moments throughout the year. On Friday, July 8, 2005, former major leaguer and El Paso native Rocky Coppinger took the mound for a start. On July 27, the Florida Marlins purchased the contract of RHP Andy Torres from the Diablos.