Outman also homered in the third, one inning after Max Muncy's eighth home run of the season for Los Angeles.
Matt Strahm (1-2) gave up three hits and three runs, struck out a career-high 11 and walked two in 5 1/3 innings.
New York starter Nestor Cortes (3-0) allowed three runs in six innings.
For the Angels, Logan O'Hoppe had three hits and two RBIs, Luis Rengifo scored two runs and Patrick Sandoval (1-1) allowed five runs and four hits in four innings.
Pittsburgh starter Roansy Contreras (2-1) allowed one run and five hits in 6 2/3 innings, with eight strikeouts and two walks.