Career
Herrera can play either as a midfielder or as a forward and currently plays for domestic club PanSa East Football Club. Ismael has also represented his country at U20 level and at the 2011 Pacific Games. Herrera currently plays for PanSa East Football Club, historically American Samoa"s most successful club Ismael was called up to American Samoa"s U20 squad for their OFC U20 Championship matches against Fiji U20, Papua New Guinea U20 and Vanuatu U20.
Herrera scored American Samoa"s consolation goal in the 5-1 loss to Fiji.
He was also yellow-carded in that match. Ismael wears the no.8 jersey for the U20 team
He was also called up to American Samoa"s 2011 Pacific Games squad, along with PanSa East team-mates Terence Sinapati, Travis Pita Sinapati and Pesamino Victor. Herrera made his debut in American Samoa"s 4-0 loss to Tuvalu in their first game on 27 August 2011 and then made his second appearance in the 4-0 loss to Solomon Islands four days later.
He then played in the 2-0 loss to Guam on 1 September 2011 and the 8-0 defeat to tournament hosts New Caledonia on 3 September 2011, before making his and American Samoa"s final appearance of the tournament in the 8-0 loss to Vanuatu on 5 September.