Anthony Bass, 23, is making his second stint with San Diego in 2011. The right-hander was previously selected from Double-A San Antonio on June 13, making his Major League debut that day against the Colorado Rockies at Coors Field. He earned his first Major League victory that day after working 5.0 innings and allowing one run on five hits and four walks before being optioned back to San Antonio the next day. In 14 starts this season between Triple-A Tucson and Double-A San Antonio, he has gone 7-4 with a 3.75 ERA (30 ER/74.2 IP). Of those 14 starts, 13 have been for San Antonio. Bass was originally signed by the Padres as a fifth-round selection in the 2008 First-Year Player Draft out of Wayne State University (MI). Across four minor league seasons in the Padres (2008-11) organization, he has gone 29-17 with a 3.01 ERA (124 ER/370.2 IP) and 307 strikeouts against 97 walks in 95 games, 68 starts.
Evan Scribner, 25, has posted a 7.07 ERA (11 ER/14.0 IP) through 10 outings for San Diego this season, with eight of those runs coming in his second stint with the Padres over his last four outings since being recalled on June 9 from Triple-A Tucson. The right-hander was previously optioned to Tucson on May 19 after being recalled on April 25, making his Major League debut for the Padres on April 26 against the Atlanta Braves at PETCO Park. With Tucson this season, he has gone 0-2 with eight saves in nine opportunities, a 4.67 ERA (9 ER/17.1 IP) and 16 strikeouts against six walks over 15 relief appearances. Scribner was acquired by the Padres from the Arizona Diamondbacks on July 17, 2008 in exchange for INF Tony Clark. Originally signed by Arizona as a 28th-round selection in the 2007 First-Year Player Draft, he has gone 17-17 with a 2.76 ERA (82 ER/267.1 IP) and 328 strikeouts against 68 walks in 200 relief appearances over parts of five minor league seasons in the Diamondbacks (2007-08) and Padres (2008-11) organizations.