Zack Steffen figures to make a rare appearance in goal Thursday when the United States plays Wales in Swansea.The 25-year-old is the top American goalkeeper but has played two matches since December, missing the second half of last season with a knee injury while on loan to Fortuna Düsseldorf and then spending most of this season on Manchester City’s bench after taking over from Claudio Bravo as Ederson’s backup.“I’m really happy with where I’m at right now,” Steffen said Tuesday. “I want to be on the field, but I’ll keep working hard and keep pushing those guys in front of me and they’ll keep pushing me.”The U.S.