Cardinals quarterback Derek Anderson went off following Monday night's loss to the 49ers. Taking exception to repeated questions about why he was laughing on the sideline late in a blowout loss to San Francisco, Anderson went on a profanity-laced tirade before abruptly walking out. "You think I was laughing about something?" Anderson said. "I take this serious! Real serious! I put my heart and soul into this every single week!" Late in the loss to the 49ers, television cameras showed Anderson sharing a laugh with guard Deuce Lutui on the sideline. When initially asked about the exchange after the game, Anderson quietly said Lutui had told him something to keep them positive. Anderson calmly answered another question about a different topic, then started to lose his temper as the reporter came back to the shared laugh. "I'm telling you right now what I do every single week! Every single week I put my heart and soul into this!" Anderson yelled. "I don't go out there and laugh. It's not funny. Nothing's funny to me. I don't want go out there and get embarrassed on Monday Night Football in front of everybody."

Brian Westbrook rushed for 136 yards and a touchdown in place of the injured Frank Gore and the San Francisco 49ers sent punchless Arizona to its sixth straight loss, 27-6 Monday night, as reported by ESPN.com Gore left in the first half with what was later diagnosed as a fractured right hip.

Cardinals running back Beanie Wells says he'll face the Vikings on Sunday despite a knee injury. Wells has been limited in practice all week after an allergic reaction to Orthovisc that was injected as a lubricant intended to ease discomfort in his right knee. He practiced more on Friday than he had all week and coach Ken Whisenhunt said he'll likely play as long as there is no swelling over the weekend.

Cardinals running back Beanie Wells has been slowed in practice this week after an allergic reaction to a medication injected into his knee. Arizona coach Ken Whisenhunt said Wells had a rare allergic response when he received a shot of Orthovisc into his right knee. Wells missed the first two games of the season after undergoing arthroscopic surgery on the knee.

Larry Fitzgerald would have welcomed Randy Moss joining him with the Cardinals. "I'm biased a little bit because I know Randy personally, so I was a little sad to see him [released]," said Fitzgerald. "But that's the NFL. It's always changing. I just hope as a friend he goes somewhere he's happy. ... Honestly, to have a player of his caliber would definitely help you. I didn't know what the Cardinals would do, but I would have welcomed him with open arms."

Derek Anderson will start at quarterback on Sunday against the Vikings. Arizona coach Ken Whisenhunt announced his decision before Cardinals practice Wednesday. Anderson started the first four games, then was replaced by rookie Max Hall, who struggled mightily and was benched in the first half of last Sunday's 38-35 loss to Tampa Bay.

Cardinals coach Ken Whisenhunt declined to name a starting quarterback for this weekend during his press conference on Monday. Arizona will travel to Minnesota to face the Vikings. Whisenhunt has to choose between rookie Max Hall and veteran Derek Anderson.