The Cavs signed Isaiah Mobley to a two-way contract on Saturday, but that won’t minimize the effect he could have on his brother. An analyst suggested on draft night that Isaiah Mobley could push his brother in practice to develop a more aggressive mindset.  Isaiah Mobley can see that. “Most definitely. I think we make each other better, especially on the pro level with all these coaches and staff and other players as well and veterans to push us,” Isaiah said.