Complex sentence: Hidalgo is home to the Rio Grande Valley Vipers of the NBA Development League, who play in the local State Farm Arena, and the Rio Grande Valley FC Toros of the United Soccer League, who play in the RGVFC Stadium.
Split into simpler sentences: Hidalgo is home to the Rio Grande Valley Vipers of the NBA Development League who play in the local State Farm Arena. And the Rio Grande Valley FC Toros of the United Soccer League who play in the RGVFC Stadium.