Boston Celtics point guard Kemba Walker played 29 minutes in Sunday's All-Star Game, just a few weeks after he was dealing with knee soreness.

Celtics head coach Brad Stevens isn't concerned about it, though, so maybe Celtics fans shouldn't be either:

Walker played in 46 games for the Celtics during the first half of the season. He averaged 21.8 points, 4.1 rebounds and 5.0 assists while shooting 42.9 percent from the field, 38.8 percent from beyond the arc and 86.6 percent from the free throw line.

The Celtics are 32-14 with Walker in the lineup and 38-16 overall on the season. Boston sits in the third spot in the Eastern Conference standings.

Walker signed with the Celtics because he was eager to go on a deep run in the playoffs. This is one of the best players in the NBA who hasn't been able to showcase his game on the brightest stage since the Charlotte Hornets weren't that good.

For the Celtics to win the East, Walker, Jayson Tatum, Jaylen Brown and Gordon Hayward have to play at a high level, and not separately. All four guys have to be dominant together for the C's to ultimately win the conference and title.

Boston opens the second half of the season on Friday against the Minnesota Timberwolves.

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