76ers' Tyrese Maxey cementing status as Philadelphia's key franchise player

The top two teams in the Eastern Conference traded leads all night, but the Boston Celtics fell short on a game-winner against the Detroit Pistons at Little Caesar's Arena.

NBA Showtime breaks down Jaylen Brown's defense against Detroit's Cade Cunningham despite the Celtics falling short on MLK Day.

Terry Gannon, Robbie Hummel and Brian Scalabrine unpack the "proving ground game" between the Celtics and Pistons and the identities of both teams in what could be a precursor to the playoffs.

Let's hope this is not as serious as it looks.