Complex sentence: The Hartford Yard Goats are a Double-A minor league baseball team that is set to begin play in the Eastern League in 2016 when the New Britain Rock Cats, a Colorado Rockies affiliate, relocate to Hartford, Connecticut.
Split into simpler sentences: The Hartford Yard Goats are a Double-A minor league baseball team in the Eastern League. The team was founded in 2016, when the New Britain Rock Cats, a Colorado Rockies affiliate, relocated to Hartford, Connecticut.