Al “Bubba” Baker visited training camp on Tuesday and said the current defensive line could surpass the success of the “Silver Rush” from the late 1970s and early 1980s. ... While the Lions are wearing black practice pants there are no plans for a third jersey even though players love the idea of a black uniform. ... Louis Delmas, who is on a limited program for camp because of a bad knee, participated in team drills in the second day of full pads. GM Martin Mayhew said Delmas is on a path to be ready for the season opener on Sept. 8 against the Vikings. ... Corey Hilliard at right tackle and rookie Larry Warford at right guard took most of the snaps with the first team on Tuesday in a situation that alternates day to day. ... Defensive end Ronnell Lewis, who is sidelined with a non-football injury, has not practiced yet in camp. Only eight practices will be in full pads and he has missed two of them.  ... Jason Jones, who missed on Monday with a sore knee, returned on a limited basis. ... Tests on Ron Bartell (shoulder), Jonte Green (hamstring) and Chris Greenwood (hamstring) revealed no serious injuries. Schwartz said they are day to day. ... Former Lions wide receiver Herman Moore visited camp Tuesday. A contingent of coaches from Michigan State also watched practice. ... The players have Wednesday off. Practices on Thursday, Friday, Saturday and Sunday are open to the public. 

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