The team also announced Tuesday that linebacker Ty Powell and defensive end Jarius Wynn were placed on season-ending injured reserve. Powell hurt his right knee in practice Monday. Wynn hurt his knee in a preseason-opening 25-24 loss to Carolina on Friday.
Groves is a seven-year journeyman who played for Tennessee last season. He has 32 starts in 100 career games and also played for Jacksonville, Oakland, Arizona and Cleveland. Seale is an undrafted rookie free agent out of Stanford.
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