Here are the other things he addressed
Addressing the All-Star Game rules so that the starters stay in the game longer: "I am in favor of the idea that we make some changes so the game is played as close to a regular-season game as possible," Manfred said.
Bringing back scheduled doubleheaders: While Manfred said there is a "certain charm to the idea of spending an entire day at the ballpark," he noted that the economic issues of condensing two "gates" into one and the scheduling issues should a doubleheader be rained out are major difficulties. "We actually had conversations [about doubleheaders] in the last round of bargaining," he said, "and I suspect we will have them again in this round, because they are a way of tightening the schedule and producing more off-days."
Increasing performance-enhancing drug penalties: "We would generally be in favor of it," he said, "but I will tell you, the MLBPA has not taken the position at the table. In other words, they have not been in favor of increased penalties."
Reducing games from nine to seven innings: A non-starter, in Manfred's mind. "Three outs, three strikes, four balls, nine innings," he said. "Kind of sacrosanct. But more important, I don't think people want less baseball. I think what people want is baseball that moves along a little bit better."