- Associated Press - Sunday, August 24, 2014

GREEN BAY, Wis. (AP) - Jordy Nelson was left wondering Sunday when the Green Bay Packers will get through a preseason unscathed.

“Unfortunately, we’re used to it,” Nelson, the team’s seventh-year wide receiver, said after taking part in a practice with some teammates missing.

The Packers started the final week of the preseason with two big losses. Veteran nose tackle B.J. Raji and first-year starting center JC Tretter are out indefinitely.

Coach Mike McCarthy confirmed after Sunday’s practice that Raji suffered a significant biceps injury two days earlier in the Packers’ preseason win over the Oakland Raiders.

“B.J. Raji, he was in the best shape and having the best camp of his career,” McCarthy said.

Raji is expected to miss the entire season after he undergoes surgery in the coming days. He watched practice Sunday with his right arm in a sling.

When asked whether Raji could be placed on the temporary injured-reserve list, which would allow him to play later in the season, McCarthy replied, “I would say no.”

Raji, a former top-10 draft pick, was looking to bounce back this season after re-signing with Green Bay as a free agent on a one-year contract.

The Packers will have to compensate for the absence of the 337-pound Raji by turning to a few young prospects, including second-year player Josh Boyd.

“What this is now is just more of a different learning curve, but I still feel like I can step in there and still be productive,” said Boyd, who played nine games as rookie last season.

McCarthy shared more rough news for the team by saying Tretter sustained a significant knee injury in Friday’s game.

“JC was injured very early. I don’t know if it was on the first series,” McCarthy said.

But Tretter kept playing with the rest of the starters until they left the game late in the first half.

“It was bothering him at halftime, then when I got back in here after the game they ended up putting him on crutches,” McCarthy said.

The Packers will be breaking in another new starting center with Tretter sidelined for several weeks.

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