Cleveland is eliminated from first place.

To show that Cleveland is eliminated from first place, we start with the current conference standings:
            Team	W	L	GL	PCT	GB
         Detroit	57	22	3	0.722	0.0
          Boston	53	25	4	0.679	3.5
        New York	51	28	3	0.646	6.0
       Cleveland	50	29	3	0.633	7.0
         Atlanta	45	34	3	0.570	12.0
         Toronto	43	35	4	0.551	13.5
       Charlotte	43	36	3	0.544	14.0
         Orlando	43	36	3	0.544	14.0
    Philadelphia	43	36	3	0.544	14.0
           Miami	41	37	4	0.526	15.5
       Milwaukee	31	47	4	0.397	25.5
         Chicago	29	49	4	0.372	27.5
        Brooklyn	19	59	4	0.244	37.5
         Indiana	18	60	4	0.231	38.5
      Washington	17	61	4	0.218	39.5
           Total	583	594	53

Cleveland can finish the season with at most 50 + 3 = 53 wins and will finish the season behind the following teams:
Detroit has already won 57 games.