Complex sentence: The Cleveland and Troy clubs played two and four home games in 1872, when they were struggling economically (both went out of business), and the Boston Red Stockings played one in 1873 when they were flourishing.
Split into simpler sentences: The Cleveland and Troy clubs played two and four home games here, respectively, in 1872, when they were struggling economically (both went out of business). The Boston Red Stockings played one in 1873 when they were flourishing.