The Chicago Cubs have called up 24-year old lefty starting pitcher Rob Zastryzny and 26-year old righty reliever Felix Pena. Zastryzny has pitched in 24 games (23 starts) in AA+AAA-ball for the Cubs so far this year and he is 10-5 with a 4.31 ERA and a 1.24 WHIP. He has given up 117 hits and 51 walks while whiffing 119 batters in his first 135 2/3 innings in the minors this year. Zastryzny has now pitched in 73 games (68 starts) in his first four years in the minors and he is 17-16 with a 4.60 ERA and a 1.39 WHIP. He will work in long relief for the Cubs. Pena pitched in 36 games (0 starts) in AAA-ball for the Cubs this year and he was 3-4 with 3 saves, a 3.41 ERA and a 1.09 WHIP. Pena has given up 46 hits and 23 walks while whiffing 81 batters in his first 63 1/3 innings in the minors this year. Pena has now pitched in 179 games (78 starts) in his first 8 years in the minors and he is 29-39 with 7 saves, a 3.79 ERA and a 1.27 WHIP. It will be the first taste of the show for both of these guys.