Research Explaining the MLB home run record of 2017 with Quality of Pitch (QOP) Explaining the MLB home run record of 2019 with Quality of Pitch (QOP) News New sign stealing report corroborates evidence against Astros, Red Sox. The Orange County Register Aug 19, 2020. (Archive.md link to bypass paywall) Explaining the MLB home run record of 2019 with Quality of Pitch (QOP). The Hardball Times. October 21, 2019. (Keynote presentation for California Baptist University's American Statistical Association meeting of 2020) Explaining the MLB home run record of 2017 with Quality of Pitch (QOP). The Hardball Times. May 8, 2018.