MOBILE, AL -- The Mobile BayBears and Arizona Diamondbacks have announced a series of transactions on Friday, August 1, 2014.

Infielder Jake Lamb, outfielder Zach Borenstein and RHP Mike Lee have been promoted from Class AA Mobile to Class AAA Reno. In a corresponding move, infielder Brandon Drury has been promoted from Class A-Advanced Visalia to Class AA Mobile, catcher Peter O'Brien has been assigned to AA Mobile after being acquired in a trade with the New York Yankees and outfielder Mitch Haniger has been assigned to AA Mobile and placed on the Disabled List after being acquired in a trade with the Milwaukee Brewers. RHP Justin Fitzgerald who has been on the BayBears Disabled List has been activated and will start Friday night.

Lamb joins Triple-A Reno after appearing in 103 games for the BayBears. A 2014 Southern League All-Star, at the time of promotion Lamb is batting a Southern League best .318. The Diamondbacks fifth overall prospect according to MLB.com tallied 14 home runs and leads all Southern League players with 79 RBI.

Borenstein makes the jump from Double-A Mobile to Triple-A Reno after batting .241 with 3 home runs and 14 RBI in 23 games with the BayBears. Borenstein originally joined the BayBears on July 5, after the Angels acquired left-handed reliever Joe Thatcher and outfielder Tony Campana from the D-backs in exchange for both he and a right-hander Joey Krehbiel.

Lee will join the Triple-A Reno club for the second time this season. The right-hander had previously made a spot start for the Aces on June 27. Lee suffered the loss, allowing two earned runs on five hits in 5.1 innings on the mound. In 19 starts with Double-A Mobile this season, Lee has complied a 7-5 record with a 4.49 ERA.

Drury joins the BayBears from the Diamondbacks High-A affiliate in Visalia. In 107 games with the Rawhide this season the third baseman is batting .300 at the time of promotion with 19 homers and the second most RBI in the California League with 81. The Grants Pass, Oregon native currently ranks as the D-backs sixth best overall prospect.

Thursday the Diamondbacks acquired catcher Peter O'Brien who was sent over as part of a trade that sent D-backs third baseman Martin Prado to the New York Yankees. In 102 games combined between High-A Tampa and Double-A Trenton this season, O'Brien batted .267 with 33 HR and 70 RBI. The Miami, Florida native now joins the D-backs, ranking as the seventh overall prospect in the Arizona farm system according to MLB.com. O'Brien has split time defensively as a catcher, outfielder and first baseman this season.

Haniger joins the BayBears after being acquired in exchange for a deal the sent D-backs outfielder Gerardo Parra to the Milwaukee Brewers Thursday. No stranger to the Southern League, Haniger batted .255 with 10 home runs and 34 RBI in 67 games this season with the Double-A Huntsville Stars. Now ranking as the D-backs 11th overall prospect according to MLB.com, Haniger has been assigned to the BayBears roster and placed on the 7-Day Disabled List.

Fitzgerald has been activated from the BayBears Disabled List after originally being placed on the DL July 9 with elbow soreness. The Santa Rosa, California native has a 7-2 record with a 4.13 ERA in 14 games and 10 starts with Mobile this season. The righty will take the mound for the BayBears against the Mississippi Braves tonight in game two of the five game series at Trustmark Park.

After completing the current road trip in Mississippi, the BayBears return home to open up a five game homestand at Hank Aaron Stadium against the Tennessee Smokies beginning August 6.

Tickets to all BayBears' 2014 home games are available for sale now by calling the BayBears ticket office at (251) 479-BEAR (2327), Monday through Friday, 9-5 PM. For more information on the BayBears, or for more information on any upcoming games and promotions, visit the official team web site at MobileBayBears.com or by "Liking" the Mobile BayBears on Facebook and following the team on Twitter @Mobile_BayBears