The major league trade deadline is Monday, Aug. 1, and contenders around the league are bolstering their rosters.
As October approaches, here is a look back at some of the notable deals made in recent years by eventual World Series champions.
The Giants' bullpen wasn’t a problem, but Lopez made it better. Before the deadline, San Francisco had a 3.37 ERA, seventh in the majors. But from Aug. 1 on, they had a major league-best 2.37 ERA. With Lopez on the team, lefties hit .212 off the bullpen; they had hit .251 prior.
The lefty specialist came in handy in the postseason, too.