... Francisco 49ers open training camp this year. Iron will sharpen iron, and starters will be chiseled from stone. Some of the ore that's left behind will be forged into backups or practice squad members. The rest will blow away with the wind and the waiver wire.

Who could say in June who the victors of these battles will be come September? But, we can name the best battles that await in camp.

The hardest combat should be seen on offense, especially on the line, where the 49ers spent two first—round picks this offseason. Defense will not be seeing any push overs in camp either.

 

O-Line

The left tackle spot is essentially owned by Joe Staley, and Eric Heitmann is a lock at center. The shuf...

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