The Boston Celtics are hitting the road, but they'll leave town with more questions than answers.

The C's embark later this week on a one-week trip to Europe, which will include stops in Italy and Spain to play Olimpia Milano (Oct. 6) and Real Madrid (Oct. 8). The stretch is part of a crucial preseason for Boston, as head coach Brad Stevens faces the daunting task of determining his lineup combinations on what looks like a deep, balanced roster.

NESN.com's Cam McDonough joined Celtics beat writer Darren Hartwell to look at some storylines that emerged from Tuesday's intra-squad scrimmage at TD Garden. The Boston Globe's Adam Himmelsbach also came on as a guest to offer his takeaways and make some predictions for the 2015-16 season.

Listen to the podcast or download it in the player below.

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