Only a few months after announcing his retirement, Tim Duncan already misses the San Antonio Spurs and playing basketball.

The five-time champion showed up during the team's practice on Monday and was seen taking some free throws while hanging out with some of his former teammates and head coach.

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It can be recalled that Gregg Popovich has a standing offer to Duncan and said he can be the coach of anything he feels like when he's ready and he is welcome to visit the team anytime.

The 67-year-old bench tactician, as well as some of his players, have been vocal on how much they miss The Big Fundamental. And it won't be surprising at all if he will show up a few more times during the Spurs' practices as the season progresses.