Usually, MLB teams do not release the name of the hotel they are staying at. Sometimes the information is leaked on the internet though.
in a hotel
What hotel to the Phillies stay at while playing the NY Yankees in NY.
broncos hotel in baltimore
They stay at that one hotel that's in Boston
The Westin Hotel
Gaylord
Motel 6
Usually, the Westin Hotel on Rideau St. Some have stayed at the Chateau Laurier and even the new Hotel in Kanata.
the teams that play the cubs stay at the Westin Hotel in downtown.
The Westin. (All but the Yankees, though they don't come to town very often).
I know that the Lakers stay at the Four Seasons across from Boston Common, I'm not sure about other teams.
Holiday Inn Express