Patriots tight end Aaron Hernandez will be arrested on a charge of obstruction of justice related to the homicide of Odin Lloyd, WBZ reported Friday morning, crediting a law enforcement source. The report indicates that more charges could eventually be added.

The Patriots signed second-round pick Aaron Dobson Thursday.

The wide receiver out of Marshall, who was taken 59th overall by New England, had 57 receptions for 679 yards and three touchdowns as a senior. The 6-foot-3, 210-pounder is the final member of New England’s seven-man draft class to sign a contract.

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Aaron Hernandez destroyed his home security system, handed over his cell phone to authorities “in pieces” and a team of house cleaners were hired on Monday to clean his house, according to ABC News.

Responding to multiple reports that Patriots tight end Aaron Hernandez is likely to be arrested in connection with the homicide of Odin Lloyd, a Massachusetts State Police representative responded Thursday afternoon that the reports are “absolutely untrue,” according to Boston Globe reporter Wesley Lowery.

While police continue to investigate Aaron Hernandez’s involvement in the homicide of Odin Lloyd, a semi-pro football player who was dating Hernandez’s girlfriend’s sister, the Patriots tight end drove to Gillette Stadium late Thursday morning and left about an hour later, followed by TV helicopters.

According to ABC News, Hernandez has not been ruled out as a suspect in the homicide, as details emerge of his relationship with the victim.

Former Patriots receiver Wes Welker, now a member of the Broncos, joined Dennis & Callahan on Thursday morning and continued to insist he has no hard feelings toward his former organization for letting him go this offseason, saying that he wants to “put all of that stuff in the past.”

Patriots tight end Aaron Hernandez, who reportedly is being investigated to determine his connection to a homicide of a 27-year-old man near his home in North Attleboro, was sued last week after allegedly shooting an acquaintance outside a Miami strip club, according to a report from TMZ.

Rob Gronkowski will start the preseason on the physically unable to perform list, according to Ian Rapoport of the NFL Network.

Gronkowski (who underwent his fifth surgery of the offseason and sixth of the last 17 months on Tuesday) had a procedure on his back Tuesday that was described by Dr. Robert Watkins as “microscopic lumbar discectomy surgery.” It is the second back surgery of the last four years — as a collegian, he had back surgery which left him on the shelf for a season.

Patriots tight end Aaron Hernandez has not been ruled out as a suspect in the North Attleboro homicide investigation, according to a report from WBZ.

The report credits a law enforcement source as saying Hernandez has not been cooperating with investigators, who were back at Hernandez’ North Attleboro home Wednesday morning but left when no one answered the door. Hernandez was spotted driving away from the home earlier.

Dr. Robert Watkins, who operated on Rob Gronkowski‘s back Tuesday in Southern California, issued a statement regarding the procedure on Tuesday evening.

“New England Patriots’ tight end Rob Gronkowski underwent a microscopic lumbar discectomy surgery performed by Dr. Robert Watkins at Marina Del Rey Hospital in Los Angeles. The surgery went well. The timing of his return to football will depend on his progression through the rehabilitation program.”