Teammates are rallying around Broncos forward Ashton Sims after his NRL finals error - and just as well.

He will need all the support he can get if he logs onto social networking site Facebook.

Not one but four anti-Sims groups have been formed just days after the Broncos were bundled out of the NRL finals race by Melbourne.

One of the harshest group names that can be printed was "Should the Broncos sack Ashton Sims for ruining the 2008 season".

"Hop on board if you'd like to blame Sims for not sending out Wayne Bennett on a dream end at the Broncos", one entry reads on a group called "Ashton Sims lost it for the Broncos in 2008".

The Broncos looked to have upset the defending champions when they led 14-12 in the dying minutes of their knockout NRL finals clash at Suncorp Stadium last Saturday night.

But a crunching Sika Manu hit jolted the ball from Sims' grasp near his own try line and Melbourne's Greg Inglis crossed with 46 seconds left to steal a 16-14 Storm victory.

The Broncos were hardly blaming Sims after both sides produced an error-riddled match in slippery conditions.

"He is really disappointed. He felt he let the boys down but I thought he had a great game," Broncos forward Greg Eastwood told AAP after the match.

"Hopefully, he can keep his head up and forget about it because none of us blame him."

The heartbreaking loss brought an abrupt end to foundation coach Wayne Bennett's 21-year reign at Brisbane and ensured a sad farewell for retiring forward Tonie Carroll.

Bennett will link with St George Illawarra next season.

The Broncos are bunkered down after their season ended amid off-field controversies.

Broncos skipper Darren Lockyer admitted just hours before the knockout NRL finals clash that he was the man who tackled a Brisbane bar manager on September 6 in CCTV footage released by the venue.

Three Broncos players have been interviewed by Brisbane detectives over sexual assault allegations made by a 24-year-old woman.

As a result, the Broncos had a low-key end of season function on Sunday at a sports club north-west of Brisbane.

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