Out-of-contract Sydney ruckman Toby Nankervis is being chased by a number of rival clubs, according to AFL.com.au.
“Several clubs are understood to be monitoring the 21-year-old,” according to the report, with the youngster struggling to break into the Swans’ side.
He was named in the All-Australian side at Under 18 level and can also play as a forward.
Naismith and Tippett are both contracted until 2018, while Sinclair joined on a four year deal from West Coast last year, leaving Nankervis on the outer.
The 199cm ruckman has played a total of eight career games since being selected with pick No.35 in the 2013 National Draft.