Richmond AFL star Matthew Richardson is unsure where his latest injury scare leaves him, but insists he did not launch his comeback too early.

Richardson experienced tightness in his hamstring in the VFL on Saturday and ended his comeback after 15 minutes. It was his first game since May, when he underwent surgery to repair his hamstring tendon.

The Tigers are unsure if the league's oldest current player will play again this season given they will miss the finals.

Richardson, 34, is out of contract at the end of this season and is no guarantee to play next year.

Richmond caretaker coach Jade Rawlings indicated on Sunday he was keen to see his brother-in-law continue playing in 2010, although that will only be his call to make if he is appointed the club's full-time coach.

Richardson was initially set to undergo scans to determine the severity of the hamstring tightness on Monday, but they were re-scheduled to Tuesday.

Richardson said he could only "wait and see" if the hamstring loosened during the week, and was "not sure" about his playing prospects next weekend.

But the 282-game veteran was confident he had not put himself at risk by returning to the field too early.

"No I didn't, because I definitely had done all the training that was required," he told radio station Vega.

"I'd actually done an extra week. I probably could have played the week before.

"If you're going from the training I'd done I was right to go, but I just had a tight back that morning and it wouldn't loosen up.

"I guess these things happen as you get a bit older."

Richardson was also confident the tightness was not a major setback, as the decision for an early finish to his comeback game was precautionary.

"(It is) no big deal, no big deal," he said.

"I went into the game with a cautious approach and it just felt really tight, so we decided to not risk anything.

"I'm coming off major surgery. I got out there and it just wouldn't warm up, it was just really tight.

"I stayed out there for 10 minutes and it wasn't getting any better, so I decided to wind it up for the day."

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