The 22-year Pie joins the Cubs for his third stint in the majors this season. In his first two stops with the big league club, the left-handed batter and thrower has hit .216 (30-for-139) with 19 runs scored, 18 RBI, six doubles, three triples and two home runs. The Cubs have posted a 32-16 (.667) record in games that Pie has appeared.
Pie is batting .360 (82-for-228) with eight doubles, five triples, nine homers and 42 RBI in 54 games with Iowa this season. He has a .407 on-base percentage and .559 slugging percentage.
A native of the Dominican Republic, Pie was originally signed by the Cubs as a non-drafted free agent in 2001.
Pagan is batting .264 (39-for-148) with 10 doubles, two triples, four homers and 21 RBI in 71 games for the Cubs this season. The 26-year-old batted .381 (8-for-21) in his first 10 games after the All-Star Break before going just 3-for-22 (.136) in his last 14 games.
Dopirak, 23, was selected by Chicago in the second round of the 2002 Draft and is hitting .259 (86-for-332) with 16 home runs and 54 RBI between Single-A Daytona and Double-A Tennessee this season. The right-handed hitter was added to the club's 40-man roster in November of 2005.