Jim Harbaugh announced on Monday afternoon that Will Tukuafu had an MRI today, but didn't have any results. The head coach remains positive on the fullback who took over the starting role after Bruce Miller went down in Week 15.
"[I'm] encouraged with how he’s moving around,” said Harbaugh.
Tukuafu played only three snaps and injured himself after an awkward landing on Sunday. After catching a short pass in the flat, he was tackled in an awkward position where he fell on his left knee.
The converted defensive lineman spent the first three years of his career with the 49ers before the team reached an injury settlement with him last September. Tukuafu was re-signed when it was determined that Bruce Miller was out for the season with a scapula injury.
Backup fullback and core special teams player Anthony Dixon was on the field for 22 snaps against the Panthers on Sunday. The 2013 second-round draft pick Vance McDonald also spent time in the backfield, according to Pro Football Focus.
Harbaugh expects that an opportunity will come for the rookie tight end. He was commonly seen standing to the left or right of Colin Kaepernick in the full house pistol formation.