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The Lions have signed former Packers Pro Bowl guard T.J. Lang.

(AP File Photo)

ALLEN PARK -- The Detroit Lions lost both Larry Warford and Riley Reiff in free agency. But it's possible they got better at both positions anyway, now that T.J. Lang has agreed to come home.

The Royal Oak native and former Brother Rice star has agreed to a three-year deal with the Detroit Lions, according to his agent.

Lang, 30, took a free-agent visit to Detroit last week. He also visited Seattle on Saturday, and Green Bay remained in the mix as well. Ultimately, though, he couldn't resist the lure of returning to the mitten.

His arrival is the finishing touch to Bob Quinn's reclamation of the offensive line in his first calendar year on the job. He used a first-round pick to acquire left tackle Taylor Decker last year, then used the largest right tackle contract in the league to pry Rick Wagner out of Baltimore this year.

Wagner allowed just three sacks last year, and is considered one of the best pass-blocking right tackles in the league. Now he'll line up next to Lang, who didn't allow so much as a QB hit last year, let alone a sack. And that's with blocking for Aaron Rodgers, who held onto the ball longer than every quarterback except Tyrod Taylor.

Throw in the rise of Travis Swanson at center last year, and the Lions' offensive line, a punch line for long, suddenly holds the promise of becoming a strength. It also means Laken Tomlinson, a former first-round pick by the old regime, could face serious competition for a spot on the roster.

Graham Glasgow and Joe Dahl were drafted by Quinn last year, and both are regarded favorably as up-and-comers within the organization. Glasgow is expected to the leader to start at left guard.

This is all welcomed news for the Lions, who have struggled up front under Jim Caldwell. Quarterback Matthew Stafford has posted the three worst sack numbers of his career since his arrival, and the running game has not finished better than 28th.

Quinn promised to fix the offensive line when he was hired last year, and promised to fix the running game this offseason. With the additions of Wagner and Lang, plus Decker -- who was one of the top rookie offensive linemen in the league last year -- he has put his money where his mouth is.

Lang is coming off a hip injury that held him out of three games last year, which was a factor in his free-agent process. But he's expected to be at full strength by the start of training camp.