ADELAIDE is still considering if it adds speedy forward James Mathews during the Pre-Season Supplemental Selection Period.

The 23-year-old hasn't put a foot wrong while training with the Crows since last November as he attempts to snare a spot on the club's rookie list.

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Mathews could get one final chance to prove his case in an under-23s trial against Port Adelaide at Thebarton Oval on Saturday.

The Crows have until March 13 to decide if they sign Mathews during the SSP, or they could keep the list spot open to use during the mid-season rookie draft.

Mathews showed he has plenty of X-factor when the 176cm left-footer booted four goals for the Crows in their SANFL semi-final win against Norwood last season.

He played just five games for the Crows last year as part of their SANFL development squad, but he was a vital part of their run into the finals with his genuine speed, forward pressure and sharp skills.

Mathews played the majority of his football with McLaren in the Great Southern League.

The Crows currently have three small forwards under 180cm on their list - Ned McHenry (178cm), Tyson Stengle (175cm) and Lachlan Murphy (175cm).

Murphy is the front-runner for one of the spots in the senior side with the elite pressure he provides, along with kicking 19 goals in 21 games last season.

Stengle was a standout in the Crows' intra-club game earlier this month, booting five goals wearing the famous No.18 guernsey he inherited from his cousin, champion goalsneak Eddie Betts.

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McHenry will eventually move into the midfield, but the 16th overall pick from the 2018 NAB AFL Draft is also dangerous up forward.

The Crows could preserve their list spot for the mid-season rookie draft if they require to add depth in another part of the ground.