Bickerstaff needed to get creative. He decided to experiment with Markkanen at the 3, putting him next to Mobley and Allen — a tall-ball lineup with three (near) 7-footers that has given the Cavs a distinct identity and helped them to a surprising 4-4 start. “It’s like, ‘Oh, is this the best thing to do?’ Allen initially wondered. “At the end of the day, we’re proving that it’s working. Going back to 2001 may not be a bad idea at all.”