Tarbell was selected by the Earthquakes with the eighth overall pick in the first round of the 2016 MLS SuperDraft. He made his professional debut on Aug. 27 coming in at halftime during the 2-0 loss to Columbus Crew SC . Made it to the semifinals in voting for Save of the Week during Week 25 for a save made two minutes after entering the Columbus match. U.S. Open Cup: Did not feature in 2-0 loss to Portland Timbers at Providence Park on June 14.