Sturt and Port Adelaide kick off round 20 in the SANFL at Adelaide Oval tonight with two Crows in action.

Brodie Martin will start at half back for the Double Blues while Richard Tambling has been named in the back pocket.

Ivan Maric, a non-travelling emergency for Adelaide, may play for the Magpies.

The Eagles host Glenelg at Woodville on Saturday with Luke Thompson starting in a back pocket for the home side.

Thompson may line up on Jarryd Lyons who is named in a forward pocket for Glenelg. James Sellar is also starting up forward for the Tigers.

South Adelaide take on West Adelaide at Noarlunga and North Adelaide have an important clash with Norwood at Prospect. There are no Crows listed players in either of these matches.

In the SANFL reserves, Lachlan Roach and James Craig will line-up for North Adelaide, with Will Young (Norwood) an opponent. Jake von Bertouch has been named for the Eagles and Sam Shaw will play for Glenelg after overcoming injury.

Central District has the bye.