The Phillies have signed LHP Nate Robertson to a minor league contract and have assigned him to AAA Lehigh Valley. Robertson, a veteran of nine major league season pitched for the Marlins this year, going 6-8 with a 5.47 ERA in 19 starts before being released by the Marlins. Following his time with the Marlins, he was picked up by the Cardinals organization and was 2-1 with a 9.45 ERA in AAA Memphis before his release.
Robertson is expected to make his debut Thursday when he starts for Lehigh Valley against Scranton. Robertson was a 5th round pick of the Marlins in the 1999 draft and had his best major league season in 2006 when he went 13-13 with a 3.84 ERA in 32 starts while accruing 208.2 innings for the Tigers.