The 23-year-old Pie batted .287 (96-for-335) with 20 doubles, five triples, 10 home runs and 55 RBI in 85 games with Iowa this season, including a .319 (44-for-138) batting average in 36 games after the All-Star Break. He batted .303 (73-for-241) with nine of his 10 homers against right-handed pitching.
Pie was a member of Chicago's Opening Day roster and batted .222 (14-for-63) with one home run and seven RBI in 30 games for the Cubs this season before being option to Iowa after the game on May 14. The left-handed batter and thrower appeared in 87 games for the Cubs in 2007.
The 26-year-old Wells, who earned 2008 Iowa Pitcher of the Year honors, went 10-4 with a 4.02 ERA (53 ER/118.2 IP) in 27 appearances (19 starts) with Iowa this season. Originally selected by the Cubs in the 38th round of the 2002 Draft as a catcher, he was selected by the Toronto Blue Jays in the 2007 Rule 5 Draft.
Wells joined the Blue Jays roster out of spring training and made his major league debut April 5 vs. Boston, tossing a scoreless relief inning, his lone outing before being designated for assignment April 10. Per Rule 5 Draft guidelines, Wells was returned to the Cubs organization April 16.
The six-foot-five, 235-pound Wells made two starts for Iowa in the playoffs vs. Oklahoma last week. He earned the win in Game 1 on September 3 when he limited Oklahoma to two runs on six hits and a walk in 6.0 innings, striking out six. Working on three days rest, he took the loss in Game 5 on Sunday, allowing five runs on three hits and three walks, fanning five in 5.0 innings.
A native of Belleville, IL, Wells ranked fifth in the Pacific Coast League with a 4.02 ERA. He struck out 102 batters and walked only 34 in 118.2 innings with Iowa in the regular season, an average of 7.4 strikeouts and 2.6 walks per nine innings. He was converted to a pitcher during the 2003 season.
Lieber went 2-3 with a 4.05 ERA (21 ER/46.2 IP) in 26 appearances (one start) with the Cubs this season.