Germano, who will wear uniform number 41, is expected to be available for the Cubs tomorrow night when the club opens its three-game series in St. Louis.
The 29-year-old Germano had his contract selected by the Red Sox on July 4 and tossed 5.2 scoreless innings in relief on July 7 vs. the Yankees before being designated for assignment on July 13. The Cubs represent Germano’s fifth major league club, joining the San Diego Padres (2004, 2007-08), Cincinnati Reds (2006), Cleveland Indians (2010-11) and Red Sox (2012). He has also pitched professionally in Japan and Korea.
The righthander went 9-4 with a 2.40 ERA (28 ER/105.0 IP) in 17 appearances (16 starts) with Triple-A Pawtucket this season. He struck out 72 and walked only 13 batters in 105.0 innings. Germano limited opponents to a .211 batting average.
Germano is a career 8-20 with a 4.91 ERA (141 ER/258.2 IP) in 80 major league appearances, including 36 starts. He saw his most extensive big league action with the Padres in 2007, when he went 7-10 with a 4.46 ERA (66 ER/133.1 IP) in 26 appearances, 23 as a starter.
The righthander was originally selected by the Padres in the 13th round of the 2000 Draft.
Asencio posted no record and a 3.07 ERA (5 ER/14.2 IP) in 12 big league appearances with the Cubs. He walked 11 and struck out eight in 14.2 innings. He was claimed off waivers by the Cubs from Cleveland on June 1.