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7/1/2014 9:18 P.M. ET

Pagan has 'minor setback,' will see back specialist

SAN FRANCISCO -- Stymied in his recovery from back problems, Giants center fielder Angel Pagan will consult renowned spine specialist Dr. Robert Watkins on Wednesday in Los Angeles to discuss potential methods of easing his discomfort.

Pagan was eligible to leave the 15-day disabled list Monday. Instead, he endured what he called a "minor setback" while trying to run at AT&T Park during the Giants' scheduled off-day.

"I think looking forward to the future we want to make sure we have the best plan possible so I can come back strong," Pagan said Tuesday.

Said Giants manager Bruce Bochy, "We don't know enough to say if it's gotten worse or if it's a one-day deal."

Pagan, who has a bulging disk in his back, hopes that Watkins can guide him and the Giants' medical staff in the right direction.

"We've been doing everything -- treatment, rest, medication, injections," said Pagan, who has received at least two painkilling shots. "We want to see if there's anything, a different treatment we can do, to make it better."

Pagan emphasized that surgery, which probably would end his season, currently is not being considered.

Belt could return Friday, though thumb is sore

SAN FRANCISCO -- Giants manager Bruce Bochy said rejoining the Giants on Friday remains "possible" for first baseman Brandon Belt, who continued his Minor League injury rehabilitation stint with Triple-A Fresno on Tuesday.

Belt entered Tuesday batting .588 (10-for-17) in his rehab games with Class A Advanced San Jose and Fresno. But Bochy said Belt's formerly fractured thumb felt sore, which discouraged the Giants from accelerating the timetable for his return.

"You don't want to set him back," Bochy said, urging caution.

Worth noting

• Asked what Triple-A Fresno center fielder Gary Brown must do to merit a promotion to the Major Leagues, Bochy cited consistency -- the same sort of consistency that infielders Adam Duvall and Joe Panik maintained before being called up. "We want to make sure he's ready," Bochy said of Brown, the Giants' No. 1 selection in the 2010 First-Year Player Draft who hit .271 in his first 81 games this season.

• Giants catcher Buster Posey finished June with a .362 batting average, third-highest in the National League behind Los Angeles' Justin Turner (.400) and Milwaukee's Scooter Gennett (.397).

• Center fielder Juan Perez started in center field and batted leadoff Tuesday for the Giants, ending Gregor Blanco's streak of 21 consecutive games in the lineup.

Chris Haft is a reporter for MLB.com. Read his blog, Haft-Baked Ideas, and follow him on Twitter at @sfgiantsbeat. This story was not subject to the approval of Major League Baseball or its clubs.