FILE - In this May 16, 2013, file photo, Major League Baseball executive vice president Joe Torre responds to a question during a news conference at MLB headquarters, in New York. The message from Torre shown on the video board at AT&T Park was clear and direct: "When in doubt, sit it out." Torre taped public-service announcements that appeared in ballparks in October, reiterating that head injures need to be checked. (AP Photo/Richard Drew, File)

Baseball looking at more ways to speed up

MLB might look at tweaking replay challenges to prevent managers from stalling in the middle of the diamond while someone on the bench signa…