Mike Pouncey

Mike Pouncey looks on from the sideline late in the game against the Patriots. (Jim Rassol, Sun Sentinel / October 27, 2013)

It appears the Miami Dolphins' struggling offensive line will lose yet another starter for Sunday's 4 p.m. game against the San Diego Chargers.

According to multiple reports, starter center Mike Pouncey will not play in Sunday's game because of gall bladder issue that had him hospitalized on Friday.

Pouncey, a 2011 first-round pick who has started and played 41 straight game in his young NFL career, is listed as questionable for Sunday's game.

The Dolphins promoted backup center Sam Brenner up from the practice squad on Saturday to replace offensive tackle Will Yeatman, who suffered an ACL tear in Wednesday's practice.

If Pouncey doesn't play against the Chargers he'll be the third starter on the offensive line the Dolphins must do without.

Jonathan Martin, the starting right tackle, left the team three weeks ago claiming his teammates created a hostile working environment for him. Richie Incognito, the team's starting left guard, has been indefinitely suspended for allegedly bullying Martin.

Nate Garner, the team's backup center, has replaced Incognito as the starting left guard, but he might be called on to play center against the Chargers, which are allowing 4.8 yards per carry and have registered just 22 sacks this season.

Garner is the only player on the Dolphins roster who has played center in an NFL game. He manned the position during a victory over the Panthers in 2009.

If Garner is moved to center the Dolphins could use Danny Watkins, a former Eagles first-round pick the Dolphins claimed off the waiver wire, or rookie Dallas Thomas, the team's 2013 third-round selection, as the starting left guard.

The injuries and absences virtually ensures that Thomas, who played left guard at the University of Tennessee last season, will be active for his first NFL game of the season.

But starting Brenner at center is also an option considering the rookie from Utah has practiced at the position all season.

The Dolphins offensive line has allowed 37 sacks this season, is coming off its third game where fourth-quarter sacks contributed to the team's loss. The unit also paved the way for a franchise low two rushing yards in Monday night's 22-19 loss to Tampa Bay.