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The 26-year-old Bowen is batting .268 with eight doubles, two home runs and 11 RBI in 30 games for the Padres this season. A switch-hitter, Bowen's 13 walks have contributed to a .371 on-base percentage, 103 points higher than his batting average, and he has already set a career high in doubles, helping to a .439 slugging percentage.

Bowen has batted .310 (18-for-58) with seven doubles, two homers and a .431 on-base percentage in his last 21 games after batting .167 with no homers and one RBI in his first nine games through April 19. He is batting .350 (7-for-20) with a .480 on-base percentage vs. left-handed pitching.

Behind the plate, Bowen has turned in a 3.46 ERA (80 ER/208.0 IP) in 26 contests, with San Diego posting a 16-10 record (.615 winning percentage) in those games.

The six-foot-three, 225-pound Bowen has played parts of four big league seasons with Minnesota (2003-04) and San Diego (2006-07) after being selected by the Twins in the second round of the 1999 Draft.

Kyler Burke, 19, was selected by the Padres in the supplemental round of the 2006 Draft (35th overall) out of Ooltewah High School in Tennessee, where the six-foot-three, 205-pounder batted .459 (51-for-111) with 20 homers, 58 RBI and 49 walks in 45 games as a senior in 2006.

In 2007, the left-handed batter and thrower began his first full professional campaign with the Single-A Fort Wayne Wizards, where he was batting .211 with seven doubles, one triple, one home run, 21 RBI and a .305 on-base percentage in 62 games.

Barrett batted .256 with nine homers and 29 RBI in 57 games for the Cubs this season. Acquired by Chicago from Oakland for a player to be named on Dec. 16, 2003, Barrett hit .274 with 67 home runs and 238 RBI in 501 games in a Cubs uniform. He was signed through the end of the 2007 season.

"On behalf of the organization and our fans, I want to thank Michael for his four seasons in a Chicago Cubs uniform," said Jim Hendry, Cubs Vice President/General Manager. "Michael is a class act, a true professional and someone we'll always think of with fondness for his contributions on and off the field. We wish Michael and his family the best in San Diego."