In 2003, Gerba was the leading scorer for the Lynx with six goals when he was traded to the Impact late in the season. Gerba returned to the Lynx in 2004. During an outstanding season, he scored 15 goals, a club record.
In 2003, Gerba was the top scorer for the Lynx with six goals before being traded to the Impact late that year. He rejoined the Lynx in 2004 and had an outstanding season, setting a new club record for goals scored with 15.