NFL’s Richard Sherman Taken Down By K9 In Fight W/ Cops Before Arrest, Police Say

11:21 AM PT — The Washington State Patrol tells TMZ Sports … they’re now investigating Sherman for a possible hit-and-run and DUI after cops say he crashed his car an hour or so before his arrest.

Officials say Sherman hit a barrier in a construction zone on a highway at around 1 AM … and then still drove the car — despite popped tires — away from the area.

Cops say Sherman then abandoned the ride at a local parking lot off the exit.

WSP tells us troopers later located Sherman along with the Redmond Police Dept. and assisted in his arrest.

We’re told police did obtain a warrant for bloodwork to determine if Sherman was impaired.

10:20 AM PT — Sherman was taken down by a police K9 after trying to break into a family member’s home in Redmond, WA before his arrest on Wednesday morning … this according to law enforcement.

A Redmond Police Department spokesperson tells TMZ Sports the incident all went down at 2 AM.

According to the spokesperson, officers showed up to a residence in the Redmond area after receiving a call from the occupants inside the home who claimed a family member who did not live there was trying to break in.

Cops say when they arrived on scene, they identified Sherman as the suspect … and claim he became uncooperative and combative during questioning.

Sherman allegedly fought with cops so much … we’re told a K9 was deployed to take down the NFL player and help bring him into custody.

Cops say he was taken to the hospital to be looked at for possible injuries before he was eventually booked at the county jail.

There’s more … the Redmond P.D. spokesperson also tells us the Washington State Patrol is involved in the case, after Sherman allegedly crashed his vehicle into a cement freeway barrier before he advanced on foot to the home.

Jail records show Sherman still remains behind bars.