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LSU head coach Paul Mainieri speaks at a press conference, Friday, May 28, 2021, at Alex Box Stadium after it was announced that he would retire after 15 years at the helm of LSU's baseball program.

Former LSU baseball coach Paul Mainieri is expected to be named the new head coach at South Carolina, The Advocate has learned.

The 66-year-old Mainieri has been out of coaching for three seasons after announcing his retirement from LSU after the 2021 season. He?had a record of 641-283-3 while serving as the LSU coach from 2007-21.

This is the third coaching opening Mainieri had been connected to since retiring. He was also in the running for the coaching positions at Notre Dame in 2022 and Miami in 2023.

Kendall Rogers of D1Baseball first?reported the news on Monday.

Rogers also reported Monday that LSU associate director of program development and recruiting Terry Rooney will join Mainieri at South Carolina as his pitching coach. Rooney served as the LSU pitching coach under Mainieri from 2007-08. Attempts to confirm that report with LSU personnel have been unsuccessful.

Mainieri led the Tigers to the College World Series five times (2008, 2009, 2013, 2015 and 2017) and won a national championship in 2009. LSU finished as the national runner-up in 2017, falling to Florida in the College World Series final.

The Tigers also reached nine super regionals, won six SEC tournament championships and were SEC regular-season champions four times during his tenure. They were a national seed nine times and won the SEC West title six times.

He won the SEC coach of the year award in 2009 and 2015 along with three national coach of the year awards during his time at LSU.

Mainieri replaces Mark Kingston, who was let go June 3 after seven seasons at South Carolina. The Gamecocks posted a 37-25 record this season and fell to North Carolina State and James Madison in the Raleigh regional earlier this month.

They went 13-17 against SEC competition and lost to LSU twice in the SEC tournament in May. Last year, the Gamecocks fell to Florida in the super regionals.

South Carolina failed to reach the College World Series during Kingston's tenure. He made the NCAA tournament four times and the super regionals twice during his time in Columbia after taking over a program that won back-to-back national championships in 2010-11.

Current Gamecocks athletic director Ray Tanner was the baseball head coach when South Carolina won their consecutive titles. He also was the coach the last time the program reached the College World Series in 2012.

Kingston had gotten a two-year contract extension in August. His contract buyout was $400,000.

Prior to Mainieri's time in Baton Rouge, he coached 12 years at Notre Dame, six seasons at Air Force and six seasons at St. Thomas. His overall coaching record is 1,505-777-8.

In 2002, he guided the Fighting Irish to their first College World Series appearance since 1957. He had 11 40-win seasons and reached nine NCAA regionals with Notre Dame.

Mainieri was the first civilian baseball coach to lead Air Force, at one point leading the Falcons to six consecutive 20-win seasons. He also coached three future major leaguers at St. Thomas while guiding the Bobcats to four top-10 seasons in Division II. St. Thomas named its baseball facility after Mainieri in 2013.

He was inducted into the American Baseball Coaches Association Hall of Fame in 2014 and was the U.S. Collegiate National Team head coach in 2018.

Email Patrick Magee at pmagee@theadvocate.com.