Garcia went 3-1 with a 6.07 ERA in 59 games last season after posting a career-best 2.65 ERA in 71 1/3 innings in 2017. He is 12-14 with a 4.12 ERA in 251 career appearances, all in relief.
Garcia made $1.2 million this year and Alvarez $1.05 million. Each is eligible for salary arbitration and can become a free agent after the 2020 season.
Today the #Angels have acquired RHP Luis García from the Philadelphia Phillies in exchange for LHP José Álvarez.
— Angels (@Angels) December 7, 2018
Alvarez was 6-4 with a 2.71 ERA and one save in 76 appearances in 2018, striking out 59 in 63 innings. He allowed only three home runs to the 261 batters he faced while holding left-handed hitters to a .206 batting average and righties to a .232 mark.
The 29-year-old Alvarez is 12-18 with a 3.69 ERA over six seasons with the Tigers and Angels.