TORONTO — MarShon Brooks believes he can provide instant offense, the way he did when he lit up the scoreboard at Providence College, and during his rookie season with the Nets, when he averaged 12.6 points.
It has been a struggle for the new Celtics guard this preseason, though. He’s playing in a crowded backcourt with fellow shooting guards Avery Bradley, Courtney Lee, Jordan Crawford and Keith Bogans.
Rotations, lineups, combinations — they’ve been different. Yet through it all, Brooks’s minutes have been limited, leaving him with few chances to show what he can do.
But late in Wednesday’s preseason game between the Celtics and Raptors at the Air Canada Centre, Brooks scored 15 of his team-high 17 points in the fourth quarter of the Celtics’ 97-99 loss. Full story for BostonGlobe.com subscribers.