Seven years after she left the National Women's Soccer League as its most prolific scorer, Sam Kerr marked her return to the league with her first goal since rejoining Gotham FC, an equalizer against Portland Thorns. The Australia international striker was her own toughest critic, admitting she did not think much of her overall performance Friday at Portland's Providence Park. But her goal in the 62nd minute saw Gotham tie 2-2, adding to goals from teammate Midge Purce to put the visitors 1-0 up