(AP Photo/Patrick Semansky)

ARLINGTON, Texas (AP) Major League Baseball has widened its investigation of alleged sign stealing by the Houston Astros and will probe activity by the team over the past three seasons.

After the conclusion of owners meetings Thursday, baseball Commissioner Rob Manfred said MLB will "investigate the Astros situation as thoroughly as humanly possible." The probe includes the team's firing of an assistant general manager during the World Series for clubhouse comments directed at female reporters, behavior the club at first accused Sports Illustrated of fabricating.

"That investigation is going to encompass not only what we know about `17, but also `18 and '19," Manfred said. "To the extent we are talking to people all over the industry, former employees, competitors, whatever, to the extent that we find other leads, we're going to follow these leads."

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