The Giants may wind up asking rookie Weston Richburg to replace Geoff Schwartz in the starting lineup, but they wanted to find a more experienced offensive lineman to replace Schwartz on the roster.

Wednesday, the team signed 10-year veteran lineman Adam Snyder, who had recently been released by the 49ers. To make room on the 53-man roster, they placed Schwartz on injured reserve with a designation to return. Schwartz will be eligible to play again after their Week 8 bye.

Snyder, 32, has played in 137 regular-season games with 87 starts (28 at right guard, 21 at both right and left tackle, 14 at left guard and three at center). Snyder also has played in five postseason games with two starts, including the 2011 NFC Championship Game against the Giants. He played in all 19 regular-season and playoff games for the 49ers last year, making four starts at left guard.

Schwartz, who dislocated his right big toe in the preseason, will be eligible to practice with the Giants after Week 6. Tom Coughlin said it would take about 3-4 weeks or longer for him to return. Schwartz was one of the major free-agent acquisitions the Giants made and he was penciled in as the starting left guard until his injury.

Schwartz and Snyder were teammates at Oregon in 2004.

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Practice squad filled

The Giants finalized their 10-man practice squad with the addition of TE Jerome Cunningham and DT Dominique Hamilton. Cunningham had been in training camp with the Giants. They join OL Mark Asper and Nick Becton, RB Michael Cox, CBs Bennett Jackson and Chandler Fenner, LB Dan Fox, WR Julian Talley and DE Jordan Stanton.