The Chicago Bears opted to bolster the interior of their offensive line by adding Bryan Witzmann to the mix on Monday morning. Witzmann took the roster spot of Sam Acho, who was placed on injured reserve by the Bears with a pectoral injury. Witzmann's addition gives the Bears another reserve with some starting experience.

So what do we know about the veteran offensive lineman? Bears on 247Sports takes a look below at five facts about Witzmann.

He's an NFL journeyman

Sometimes the connotation of being a journeyman in the NFL is a bad thing. But in this case, Witzmann has proven to be good enough to stick around the NFL. The Bears are now his sixth team. He began his career with the Houston Texans before stops with the New Orleans Saints and Dallas Cowboys. In 2016 he landed in Kansas City with the Chiefs. He spent the early portion of this year's season with the Minnesota Vikings before his release last week.

He had two collegiate offers

As a recruit coming out of high school in Somerset, Wisconsin, Witzmann was not highly sought-after. As a high school senior he was listed at 6'7" and 255 pounds. At the time, his only offers came from South Dakota and South Dakota State. He later enrolled at South Dakota State to begin his impressive collegiate career.

During his run at South Dakota State he started 49 straight games and was a two-time All-American at the FCS level.

He has a connection to Matt Nagy

One of the big reasons why Witzmann was likely brought in is his connection to Bears head coach Matt Nagy. The rookie head coach served as Witzmann's offensive coordinator the last two seasons in Kansas City. Nagy is a fan of what the veteran offensive lineman brings to the table.

“He’s got some good length — strong guy, he’s smart,” Nagy said in July 2017, via Alec McChesney of the KC Star. “The thing with him is just getting some experience on that line and then communicating with those guys up front.”

Witzmann then did enough to impress Nagy and the rest of the Chiefs coaching staff last year.

He offers versatility

While Witzmann has played primarily as a guard at the NFL level, he does have the ability to be a swing tackle for the Bears. At the collegiate level, he played left tackle for the Jackrabbits. He was moved to the interior in the NFL but his size (6'7", 320 pounds) is more like an NFL tackle. He lacks the athleticism to be a consistent contributor at left tackle but can handle his own on the right side if needed.

He started 13 games last season

After seeing limited action in 11 games in 2016, Witzmann did enough to earn a starting job in 2017. He finished the season by starting 13 games for the Chiefs. He was instrumental in the team's impressive running game, helping to open up holes for running back Kareem Hunt. Hunt led the NFL in rushing yards last season with 1,327.