Outside American medal hope Taylor Phinney could capatilise on the misfortune of rivals.
World champion neither confirms nor denies transfer rumours after different Tour de France.
American to make Olympic Games debut in London this weekend
Redemption is at the forefront of the Australian sprinter's mind ahead the London 2012 men's road race in four days time.
Australian hopeful of a speedy recovery ahead of Olympic Games
Greipel as much a potential London 2012 road race winner as Cavendish says GB captain
Exclusive: London 2012 gold medal hopeful "would have gone deep" with Tour sprint team
Tour de France 2012: Injured time trial world champion focused on recovery ahead of Olympic Games
Tour de France 2012: Garmin-Sharp sprinter loses his temper and storms the Argos bus
American "disappointed" with report linking him to doping investigation