Posted at 5:08 PM ET, 09/20/2009R. Thomas Likely Out for SeasonRight guard Randy Thomas is expected to miss the remainder of the season with a torn right triceps, according to multiple NFL sources. Team officials said Coach Jim Zorn will comment on Thomas' status Monday, when Thomas is expected to undergo an MRI."To fill Randy's shoes is gonna be tough, and whoever steps in has to be ready to play," left guard Derrick Dockery said. "It's gonna be hard, we're gonna miss him, but that's just part of the National Football League. Injuries happen. We just have to find a way to rebound."Center/guard Will Montgomery filled in for Thomas on Sunday. Chad Rinehart, a third-round pick a year ago who has been inactive for both games this season, would be another option. Dockery was asked whether the team has a fill-in who could play up to Thomas's level."Anything is possible," Dockery said. "You just have to have faith and belief. It's gonna be hard and difficult, no doubt about it. Randy's one of the best guards in the National Football League, so it's gonna be a real challenge, but we have to find somebody to do it."Thomas tore his left triceps on Sept. 17, 2007; he underwent surgery and missed 10 games. That year, the team opted not to place him on injured reserve, which would have ended his season, and he returned to the lineup Dec. 6. However, he reinjured the arm and was placed on IR on Dec. 13.By Dan Steinberg and Jason Reid