The Wolverhampton Wanderers loanee grabbed his first assist for Portsmouth on Saturday.
Clarke is a key part of Portsmouth's plans under former Wolverhampton Wanderers manager Kenny Jackett.
Michal Zyro left Wolverhampton Wanderers on loan last month, but is he going back indefinitely?
The Nottingham Forest keeper injured his thigh on his first appearance for loan club Portsmouth.
The Nottingham Forest keeper headed to his former club on loan this week.
Could Portsmouth boss Kenny Jackett replace Ian Holloway at Queens Park Rangers?
Leeds United are one of England's in-form teams at the moment.
The Chesterfield defender could replace the injured Tareiq Holmes-Dennis at Portsmouth.
The recent Portsmouth appointment was at Tottenham Hotspur last season.
The new Portsmouth boss signed James Henry for Wolverhampton Wanderers permanently in 2014.
Could Kenny Jackett return to Tottenham Hotspur for new recruits after taking the Portsmouth position?
The former Queens Park Rangers and Wolverhampton Wanderers bosses are the early contenders to replace Coyle at Blackburn Rovers.
Jackett quit Rotherham United this week and worked with Norwich City chief executive Jez Moxey at Wolverhampton Wanderers