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The 49ers' practice squad began to take shape when the team signed six players released Saturday.

San Francisco carried only five defensive linemen and five receivers on its 53-man roster. Those are low figures.

The defensive-line number reflects Justin Smith's status as an outside linebacker. Still, the 49ers signed two defensive linemen to their practice squad. A third released defensive lineman, LaJuan Ramsey, does not have practice-squad eligibility.

The chart shows every 49ers player with practice-squad eligibility.

The 49ers will presumably add to their numbers at receiver. Cam Colvin appeared to be a candidate for the practice squad, but the 49ers did not sign him immediately.

The team described veteran receiver Ashley Lelie, released Saturday, as a potential injury risk. Carrying him on the opening-day roster would have forced the 49ers to guarantee his salary. It's unclear if San Francisco might re-sign him heading into Week 2. The 49ers might not want him now, but can they find anyone better?

Losing Brian de la Puente probably hurt a little, but the 49ers had to keep second-round choice Chilo Rachal and fourth-rounder Cody Wallace. De la Puente started an exhibition game at guard for the 49ers this summer, but he was undrafted, so he goes.

Update: The 49ers added Joe Toledo to their practice squad Monday, Sept. 1, Chrissy Mauck of 49ers.com notes.