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Mississippi State head coach Andy Cannizaro signs to his players in the first inning, Saturday, June 10, 2017, during a 2017 NCAA Baton Rouge Super Regional between LSU and Mississippi State at LSU's Alex Box Stadium in Baton Rouge, La.

Former Mississippi State baseball coach Andy Cannizaro was involved in an extramarital affair with an athletic department employee before the former LSU assistant coach resigned earlier this week, according to an ESPN report.

The report says Mississippi State and athletic director John Cohen opted to move quickly as news of the reported affair spread.

"I had a wonderful opportunity at Mississippi State, but unfortunately I made some poor decisions," Cannizaro said in a statement Tuesday. "I hope Mississippi State University and all of the fans and people affected will one day forgive me."

The school hasn't specified a reason for Cannizaro's abrupt resignation.

Cannizaro, who was LSU's hitting coach under Paul Mainieri before being hired at Mississippi State, is married with two children. His wife is reportedly pregnant with the couple's third child.

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“It’s really a topic I would rather not discuss,” Mainieri said Tuesday when asked about Cannizaro's resignation. “It’s unfortunate. It’s unfortunate for Andy, it’s unfortunate for his family, it’s unfortunate for Mississippi State, it’s unfortunate for college baseball. Outside of that I really don’t have anything to say about it.

"I’m as disappointed as anyone else would be.”

Cannizaro is a Tulane alumnus where he was an All-American for the Green Wave in the 90s, and played professional baseball for eight seasons, including two stints in the MLB with the New York Yankees and the Tampa Bay Rays.