LSU baseball coach Paul Mainieri, who is No. 1 among active coaches in career wins, plans to retire at the end of the season. Mainieri, 63, made the announcement on Friday, signaling the end of a 15-year run at LSU that includes the 2009 national championship and five College World Series appearances. In 2013, Mainieri was inducted into the American Baseball Coaches Association Hall of Fame. He will continue to coach LSU through the NCAA tournament, should the Tigers be selected. LSU was knocked out of the SEC tournament on Tuesday, dropping to 34-22 on the season. In a statement, LSU athletic director Scott Woodward lauded Mainieri's impact on the university and the sport of college baseball. Twenty of his former players have reached the major leagues, including All-Stars Alex Bregman, DJ LeMahieu and Aaron Nola. Prior to arriving in Baton Rouge in 2007, Mainieri spent six seasons at St. Thomas (1983-88), six seasons at Air Force (1989-94) and 12...