Quarterback Jimmy Garoppolo had hoped to test his injured thumb during practice, but walked off the field before the Wednesday session started, per multiple reports.
Head coach Kyle Shanahan had hoped his veteran passer would get some work in and be available for this weekend's game.
"If he can do some, he will be limited today," Shanahan said before practice. "If not, he won't practice, and he'll try again tomorrow."
Now, we'll have to wait until Thursday to see if Garoppolo can manage to get in some throws. Garoppolo suffered an ulnar collateral ligament (UCL) tear and a chipped bone in his right thumb during last Thursday night's loss to the Tennessee Titans.
Shanahan sounded confident that rookie running back Trey Sermon, who is still on injured reserve, would be activated before Sunday's game. The team's other rookie running back and leading rusher, Elijah Mitchell, was limited.
Below are Wednesday's practice participation reports for both the 49ers and Texans, which were provided by the 49ers Communications staff.
San Francisco 49ers Wednesday Practice
Did Not Participate In Practice
LB Azeez Al-Shaair (knee), QB Jimmy Garoppolo (right thumb), LB Dre Greenlaw (groin), S Talanoa Hufanga (knee), DL Maurice Hurst (calf), C Alex Mack (not injury related - resting player), T Trent Williams (not injury related - resting player)
Limited Participation in Practice
DL D.J. Jones (ankle), RB Elijah Mitchell (knee)
Houston Texans Wednesday Practice
Did Not Participate In Practice
CB Jimmy Moreland (illness), QB Deshaun Watson (not injury related - personal matter)
Limited Participation in Practice
C Justin Britt (knee), WR Chris Conley (knee), DE Jonathan Greenard (foot), LB Kamu Grugier-Hill (knee), DE Jordan Jenkins (knee), DE DeMarcus Walker (hamstring)
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