NEW YORK -- When Ryota Igarashi was optioned to Triple-A Buffalo to work on regaining his early-season form, he purchased the MLB.TV package so that he could follow Mets games on his computer.

"I watch all the Mets' games," Igarashi said through an interpreter, "and I can see exactly what's going on here."

What he saw was the Mets' bullpen post a 6.85 ERA in August, most recently giving up six runs in the eighth inning of Wednesday's loss to the Rockies.

Igarashi, who was recalled Thursday after the Mets placed closer Francisco Rodriguez on the restricted list, believes he can help. In four August appearances with Buffalo, Igarashi struck out four batters, walked two and did not allow a run in 4 2/3 innings.

"The splitter's back," Igarashi said. "And also I realized when I went there that I had to develop another offspeed pitch. I worked on the curveball, and now it's in good form."

The Mets also announced Thursday that they have optioned right-handed reliever Sean Green, who was on a Minor League rehab assignment, to Buffalo. Green had been on the disabled list since April with a cracked rib.

Wright seeks to put end to August struggles

NEW YORK -- In New York City, there is a fine line between getting booed and being cheered.

The fans let David Wright hear it after he struck out in all four of his at-bats in Wednesday's 6-2 loss.

Wright is 2-for-33 with 12 strikeouts in nine games in August and has only walked twice in that span.

"I've heard enough of it to know that it happens," Wright said. "They're frustrated just like we are."

After manager Jerry Manuel removed Hisanori Takahashi with two outs and two on the eighth inning Wednesday, Manny Acosta proceeded to give up a grand slam to Melvin Mora, all but assuring a loss for the Mets.

When Manuel came back out to remove Acosta, who was unable to retire a batter, and insert Pedro Feliciano, the Citi Field faithful unleashed a chorus of boos.

"When you make decisions and they don't work out, New York will let you know," Manuel said. "That's just New York."

Toward the end of the first half of the season, fans took to booing Jason Bay with regularity. At one point, Manuel said part of the reason he gave Bay a day off was so that he wouldn't have to endure the mental struggle of being booed in addition to the baseball struggles he was having.

Niese's hamstring tightens up, but is fine

NEW YORK -- The circumstances under which Jonathon Niese left Wednesday night's 6-2 loss are still unclear, but manager Jerry Manuel said that Niese's hamstring is fine and he will be able to make his next start as scheduled.

Manuel said that Niese was asked to go back out to pitch the eighth inning after holding the Rockies to just one run over seven innings, but Niese said his hamstring, which put him on the disabled list earlier in the year, was beginning to tighten up on him.

Niese, however, said that he didn't tell the coaches about his hamstring until after it was clear that he would be done for the night.

"I don't think that had any factor in being taken out," Niese said.

Niese is 3-3 with a 2.68 ERA in his past nine starts.

Barajas begins rehab assignment in Minors

NEW YORK -- Catcher Rod Barajas began a rehab assignment Thursday with the Rookie Gulf Coast League Mets, playing the entire game at designated hitter and slugging a three-run home run.

Under Major League rehab rules, Barajas -- barring any setbacks -- can rejoin the Mets no later than Sept. 1.

Barajas, who was batting .228 with 12 home runs before suffering a mild left oblique strain, was placed on the disabled list on July 25. Josh Thole has started regularly at catcher in his absence.