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7/8/2014 8:00 P.M. ET

O's to limit Bundy to 75 pitches in starts this year

WASHINGTON -- The Orioles plan to limit top pitching prospect Dylan Bundy to 75 pitches in outings this season, but manager Buck Showalter said that doesn't eliminate the right-hander from potentially being part of the big league rotation this year.

"Maybe, I don't know," Showalter said of Bundy's chances of being in the club's rotation at any point this year with that restriction. "Might come a time this year when 75 pitches looks pretty good."

Bundy, who will make his next start for Class A Advanced Frederick, has been rehabbing back from Tommy John surgery, and the Orioles are taking a cautious approach as they build the right-hander back up on the mound.

"It's something we are probably not going to waiver from," Showalter said. "We could adjust if we had to but I'm kind of cautious to bring up Bundy as an option at some point. First he's got to figure out the Carolina League a little bit. But the plan right now is to limit him to 75 max the whole year.

"I've said it before, as much as we love the progress and everything, this whole thing, your end game is next year. He could help [at some point this season]. I'm not going to just pull that out."

Bundy's last outing for Frederick was his rockiest one to date. He allowed three runs on four hits -- three of them singles -- in 4 2/3 innings on Friday, striking out three and walking two. Still, the O's won't start looking at him as a realistic option for the big league club in any capacity until the 21-year-old gets to Double-A.

O's activate Norris, designate DePaula

WASHINGTON -- The Orioles reinstated Bud Norris from the disabled list prior to Tuesday's game, which was postponed, and designated Julio DePaula for assignment to clear a roster spot. Norris will start on Wednesday.

Norris, 29, was placed on the DL retroactive to June 22 with a right groin strain and he was deemed good to go after a two-inning simulated game on Saturday at Fenway Park. He has gone 7-5 with a 3.62 ERA in 14 starts for the Orioles this season.

DePaula had his contract purchased from Double-A Bowie prior to Monday's game and served as bullpen insurance given the club's doubleheader on Saturday and 12-inning game on Sunday.

Maryland teacher Arentz headed to All-Star Game

WASHINGTON -- Thomas Arentz, an English and Latin teacher from Baltimore, is one of 30 teachers who will get to take the trip of a lifetime. Major League Baseball, Target and People announced 30 All-Star Teachers on Tuesday who will travel to Minneapolis for the 2014 All-Star Game, and Arentz will be the Orioles' representative.

Arentz, who has taught for 16 years, currently works at Sparrows Point High School in Edgemere, Md., and has sponsored several extracurricular activities including Student Council and Future Educators of America.

Arentz also teaches evening classes at the Community College of Baltimore and is studying educational leadership at Towson University with the hopes of becoming an administrator.

Arentz and the winners representing MLB's other 29 clubs will be recognized during a pregame ceremony before the All-Star Game on Tuesday at Target Field. Ceremonies will begin at 7:30 p.m. ET on FOX.

Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Facebook and Twitter @britt_ghiroli. Dave Wilson is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.