Complex sentence: Six previous 900 series had been reported, the first by PBA Hall of Famer Glenn Allison in 1982, but all were rejected by the ABC for various reasons--mostly due to improper lane conditions.
Split into simpler sentences: Six previous 900 series had been reported, the first by PBA Hall of Famer Glenn Allison in 1982. But all were rejected by the ABC for various reasons--mostly due to improper lane conditions.