Many NFL players simply do not have Wonderlic scores, either because they went undrafted, never attended the NFL Scouting Combine, the Wonderlic was not a part of the Combine when they were drafted, or their scores simply were never released. While there may be Wonderlic test scores circulating out there they are likely not accurate. Wonderlic scores are out of 50 and the test is similar to an IQ test. Similar to an IQ score of 100 the average score on a Wonderlic test is about 20.
Many of these players were low profile players when they were graduating college but went on to have great NFL careers.