Phillies at Cubs preview

8:05 p.m., Wrigley Field, Chicago. TV: Comcast SportsNet, ESPN. Radio: WPHT (1210-AM); WUBA (1480-AM) Spanish.

Phillies RHP Pedro Martinez (no record, no ERA) vs. Cubs RHP Jeff Samardzija (1-1, 6.29)

Cubs update: Samardzija, a former wide receiver at Notre Dame and a highly touted prospect, will make his first major league start ... Samardzija has made 16 relief appearances this season ... In his career, Samardzija is 1-1 with a 7.36 ERA in three appearances against the Phillies ... Samardzija also spent time in the minors, going 5-3 with a 3.72 ERA in 13 games (12 starts) for Triple A Iowa.

Phillies update: Martinez is making his first start as a Phillie after throwing three rehab outings since signing a 1-year contract in July ... Martinez faced the Cubs last year as a member of the Mets, allowing five earned runs in six innings of a no-decision ... Martinez is 4-3 with a 4.12 ERA in 13 career appearances against the Cubs ... Ryan Howard entered last night homerless in his last 12 games. He had just 12 hits in his last 50 at-bats.