Out-of-contract Carlton forward Levi Casboult will make a call on his future at the end of the season, and his manager says the Blue is "keeping his options open".

The 27-year-old is one of the few key forwards remaining in the upcoming free agency pool, and was linked to a move to Richmond earlier in the week.

Former St Kilda CEO Brian Waldron told SEN radio a deal had already been agreed between Casboult and the Tigers, but his manager Anthony McConville firmly denied Waldron's claim.

"At the end of the day it's going to be Levi’s decision as to whether he remains at Carlton," McConville told News Corp. 

"My job is to facilitate what is available for him. I can assure you at this point in time there is no deal from any club that has been brokered or agreed to. 

"It will remain that way until the last game and then we will see at year's end what is available at Carlton. We will keep all our options open until the end of the year." 

The Carlton forward is enjoying the best year of his career in 2017, and already has his best goals output in a season with 29, and the Blues still have three games remaining.

His marking ability is up there with the best players in the competition as well, as no player has taken more contested marks than Casboult (48) so far this season.

The 91-game forward is an unrestricted free agent, which means Carlton will not have the opportunity to match an offer from a rival club should Casboult want to leave.