When Rich Seubert walked up to the cafeteria with a cast on his left hand and wrist, the question had to be asked. Did the left guard who is known for his training camp altercations hurt himself in some kind of scuffle?

“I wish I did this in a fight,” he said, providing no further information.

Instead he apparently broke a bone in his left hand during last night’s full-pads practice. The Giants say that the hand is in a splint and there is no firm timetable for how long he will be out. He’s due to be examined by team physician Russell Warren tomorrow, which might provide a more specific timeline.

The injury send ripples through an offensive line that is already a little unstable as the team tries to figure out where Will Beatty fits in and is already dealing with the absence of center Shaun O’Hara to an ankle injury. O’Hara is due to return to practice on Monday.

Likely the move will mean that Adam Koets stays at center, David Diehl shifts from left tackle to left guard, and Beatty jumps in at left tackle. Of course, Beatty didn’t have the best practice last night when he was chewed out by o-line coach Pat Flaherty, so there could be other options. The Giants could leave Diehl at left tackle with the starters and plug Guy Whimper or even rookie Mitch Petrus (who has looked good in camp) in at left guard.

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The Giants also waived WR Adam Jennings and replaced him on the roster with WR Nyan Boateng from Cal. Boateng, a Brooklyn product, was with the Giants in rookie minicamp.