The San Francisco 49ers added depth in the trenches with a pair of roster moves leading up to a Week 8 showdown with the Houston Texans.

The 49ers head to Houston for a defensive showdown versus the Texans. DeMeco Ryans' defense faces off against his former team, and head coach Kyle Shanahan's offense.

DeMeco Ryans had instant success as an NFL rookie in Houston. 49ers coaches Kyle Shanahan, Robert Saleh and Johnny Holland got a first-hand look.

Those who were declared out Sunday were quarterback Brock Purdy (toe), center Jake Brendel (hamstring), edge rusher Bryce Huff (hamstring), wide receiver Ricky Pearsall Jr. (knee) and defensive lineman Yetur Gross-Matos (knee). Lenoir was questionable along with linebacker Luke Gifford (hamstring) as was guard/tackle Spencer Burford (knee).

Kyle Shanahan's San Francisco 49ers will face off against a familiar foe on Sunday when they face the Houston Texans. DeMeco Ryans, a former defensive coordinator for the 49ers, is now the head coach in Houston.

Quarterback Brock Purdy will miss his fourth straight game for the San Francisco 49ers because of a toe injury

In what has been an unfortunate recurring theme, the San Francisco 49ers ’ Week 8 injury report is once again filled to the brim. Although not as full as it once was, Kyle Shanahan’s team will still be without Brock Purdy and Ricky Pearsall for their matchup with the Houston Texans.

The San Francisco 49ers officially ruled out five players from Week 8, including QB Brock Purdy (toe), WR Ricky Pearsall (knee), DE Bryce Huff (hamstring),