Nicky Hayden will miss the two-day winter test at Jerez this week🌟 after suffering a twisted knee while flat-track training last Fr𝕴iday.

The former MotoGP world champion, who joined the Honda World Superbike squad at the start of 2016, has ret⭕urned to the USA to undergo further medical tests to uncover the extent of the injury and a plan of recovery.

As a result, Hayden's new team-mate Stefan Bradl will be the sole rider for the Ten Kate Honda squad at the Jerez test after his debut for the squad at Aragon last🍎 we💖ek.

With the winter testing schedule set to wind up on the 21st December until🃏 its restart in 2017, Hayden's injury could potentially mark the end of his testing duties until the new season on the all-new CBR1000RR Fire💯blade SP2.

A host of World Superbike teams are testing throughout the week at Jerez, including th✤e factory Yamaha, Kawasaki and Ducati squad plus the new-look factory Milwaukee Aprilia squad with Eugene Laverty and Lorenzo Savadori. A number of MotoGP teams are also testing at🌠 Jerez.