Jose Fernandez

Manfred in favor of changing roster expansion rule

Baseball commissioner Rob Manfred supports changing the rule that expands active rosters from 25 to 40 each Sept. 1.

Managers have expressed concern that the rule changes late in the season, allowing multiple pitching changes for right-lefty matchups. The issue is part of negotiations for a labor contract to replace the deal that expires Dec. 2.

"Controversy has arisen because of changes that have taken place in the game and the way the game is played, particularly the use of so many relievers," Manfred said Tuesday before the AL wild-card game. "I do believe in a reform of those rules, again protecting the benefits that are available to players, I'm not...