Who scored first in Austin FC's first victory in a home game in the 2021 MLS season?

Context: Austin FC played their first MLS match against LAFC at Banc of California Stadium on April 17, 2021, losing 0–2. The club secured its first victory the following week against the Colorado Rapids, winning 3–1. Diego Fagúndez scored the club's first goal and the following two were scored by the club's first Designated Player, Cecilio Dominguez. Their home opener was held on June 19, 2021, against the San Jose Earthquakes, a match which ended in a scoreless draw. The team secured its first ever home victory on July 1, 2021, defeating the Portland Timbers 4–1. Jon Gallagher scored the team's first home goal and the first MLS goal at Q2 Stadium.

Answer: Jon Gallagher scored the first goal in Austin FC's first win at home, over the Portland Timbers.