LEADING OFF: MLB looks into GM's ejection, Brock mourned

FILE - In this April 9, 1965, file photo, Lou Brock, of the St. Louis Cardinals, poses in Missouri. Hall of Famer Brock, one of baseballs signature leadoff hitters and base stealers who helped the Cardinals win three pennants and two World Series titles in the 1960s, has died. He was 81. (AP Photo, File)A look at what's happening around the majors on Monday:

BOXED OUT

Major League Baseball is looking into the circumstances that led to Washington Nationals general manager Mike Rizzo being ejected from a luxury box in Atlanta for yelling at umpires.

Rizzo was tossed in the seventh inning Sunday. Veteran crew chief Joe West said he told the commissioner's office on Friday that Rizzo had been…