SANTA CLARA — The revolving door at the 49ers’ middle linebacker position since Fred Warner’s injury in Week 6 has been effective in large part due to former Seattle Seahawks linebacker K.J. Wright.The assistant linebackers coach was essential in getting Eric Kendricks up to speed for his first start with the team in its wild-card win over the Philadelphia Eagles.“Shout out to K.J. Wright,” Kendricks said after the game. “I’ve been knocking on his meeting door and getting extra time with him since I got here. Whether it’s super early in the morning, or after meetings, I feel like he’s got me prepared.”Kendricks is not the only believer in Wright’s ability to help linebackers assimilate into the 49ers’ scheme. Defensive coordinator Robert Saleh shared that because of Wright’s hard work, along with veteran linebackers coach Johnny Holland, both Kendricks and Garret Wallow’s first starts with the team were seamless. “Johnny and K.J., they did an outstanding job preparing those two,” Saleh said on Wednesday. “Credit to Kendricks with how hard they worked since they’ve...
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