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SANTA CLARA – Defensive end Ray McDonald has maintained his normal role in the 49ers’ defense during a time when he remains part of an investigation after his arrest more than three weeks ago for domestic violence.
Defensive coordinator Vic Fangio on Thursday said McDonald has been solid, but he believes the off-field matter has weighed on his mind.
McDonald does not have any sacks through the first three games.
“Ray’s playing good,” Fangio said. “He’s done a good job versus the run. I’m sure his play has been affected somewhat with the burden on his mind, but I think he’s played well enough in spite of everything.”
McDonald met with San Jose Police for at least two hours on Sept. 4 at the 49ers’ practice facility. He has played more snaps than any other 49ers' defensive lineman through three games.
The police have yet to turn over their report to the Santa Clara County District Attorney’s office for criminal consideration stemming from the Aug. 31 incident that involved McDonald’s pregnant fiancée.