Soccer is gaining popularity within the state as well. With the addition of the Philadelphia Union in the MLS, the state now boasts three teams that are eligible to compete for the Lamar Hunt U.S. Open Cup annually. The other two teams are Philadelphia Union II and the Pittsburgh Riverhounds. However, Penn FC (formally Harrisburg City Islanders) used to be one of these teams before they announced they'd be on hiatus in 2019; although they would be returning for the 2020 season. Both of the United Soccer League (USL). Within the American Soccer Pyramid, the MLS takes the first tier, while the USL-2 claims the third tier.