Germen recorded his first major league save on August 16, 2013 against the San Diego Padres, pitching two innings.[2] Germen ended the 2013 season with a 3.93 earned run average in 34+1⁄3innings pitched.[3] Germen also compiled 33 strikeouts, 1 save, and a 1.40 WHIP.[4]
The Mets traded Germen to the New York Yankees on December 19.[6] He was designated for assignment on January 13, 2015.[7] The Yankees then traded him to the Texas Rangers on January 20, 2015, in exchange for cash considerations.[8] The Rangers then also designated him for assignment, one day later.[9]
Germen was subsequently claimed off waivers by the Chicago Cubs on January 23.[10] They designated him for assignment on February 4 to make room for Drake Britton.[11] The Cubs promoted Germen to the major leagues on April 19.[12]
Colorado Rockies
Germen was claimed off waivers by the Colorado Rockies on July 7, 2015. In 29 appearances for the Rockies, he compiled a 3.86 ERA with 25 strikeouts and 1 save across 32+2⁄3 innings pitched. On October 14, Germen was removed from the 40–man roster and sent outright to the Triple–A Albuquerque Isotopes.[13]
On August 12, 2016, Germen was designated for assignment, and outrighted to the Isotopes on August 15.[14]
Orix Buffaloes
On December 13, 2016, Germen signed with the Orix Buffaloes of Nippon Professional Baseball.[15][16] He made 44 appearances out of the bullpen for Orix, registering a 2.68 ERA with 51 strikeouts and 3 saves over 47 innings. Germen became a free agent on December 2, 2017.[17]
Gunma Diamond Pegasus
On January 16, 2018, Germen signed a minor league deal with the Chicago White Sox.[18] He was released by the organization on March 24.
On March 4, 2019, Germen signed with the Olmecas de Tabasco of the Mexican League. In 15 games for Tabasco, he struggled to a 7.31 ERA with 15 strikeouts and 4 saves across 16 innings pitched. German was released by the Olmecas on May 17.
On July 13, 2022, Germen signed with the Guerreros de Oaxaca of the Mexican League.[21] Germen made 3 starts for Oaxaca, posting a 1-0 record and 4.76 ERA with 16 strikeouts in 17.0 innings pitched. On January 11, 2023, Germen was released.[22]