On September 12, 2018, it was announced that Ohio Valley Wrestling would be merging with Top Notch Boxing, a major boxing promotion in Louisville, to form the Gladiator Sports Network. OVW's first event under the Gladiator Sports banner was the 1000th episode special of its television series on October 10, 2018, from Louisville's Fourth Street Live! .
The Ohio again ranked as the most polluted in 2013, and has been the most polluted river since at least 2001, according to the Ohio River Valley Water Sanitation Commission (ORSANCO). The Commission found that 92% of toxic discharges were nitrates , including farm runoff and waste water from industrial processes such as steel production.