Comeback
On June 6, 2007 Puerta returned to the professional circuit with a 6–4 6–3 victory over Australian Joseph Sirianni at the Sassuolo Challenger, a tournament to which he was invited as a wild card since he had no ranking . In the second round, Puerta lost 6–3 6–0 to Spaniard Marc López. Since returning to the ATP, Puerta has only played on the ITF circuit, reaching the quarterfinals of the Trani and Puebla challengers, the semifinals of the Belo Horizonte and Medellín challengers, and the final of the Cordenons challenger.
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