5 things to watch as Celtics open preseason against Magic

The Celtics and Magic open the preseason against one another at 7:30 p.m. on Monday, as Celtics fans get their first look at a re-tooled (but familiar) roster.

Here are five things to watch.

Who will the Celtics start?

Ime Udoka cautioned everyone not to read too much into the starting lineup on Monday, but pardon us if we don’t entirely believe him.

Certainly, if the opening lineup struggles the Celtics might look elsewhere, but the starting group is likely a collection of players who have separated themselves from their peers. Will Al Horford — who has made a “huge” case for himself — start? Will Rob Williams join him in a double-big look? Or will Udoka give Dennis Schröder or Josh Richardson…