In fact it is difficult to say "anti-climaxtic", which is why it isn't a word.
Sadly, though, your orthography is better than your reasoning. Sims didn't forfeit all those matches during the season to duck Welch, as certain incorrigibly ignorant Welch fans (and that is not all of you) continue to claim. You just refuse to let your opinion be shaken by the inconvenient facts of the case. So let's walk through this one more time.
First, look at Sims's history: he placed in the top six all four years of his high school career -- his freshman year that required the 14 year old John Sims to wrestle the day after the death of his father, who, as you can imagine, was a huge part of his wrestling life. He is not the type of person that shrinks from a challenge, and if you would take a look at the scores from all of the matches between these two, you will see that John had little reason to be afraid of Welch. That claim is ridiculous.
Second, Welch was not even involved in most of the matches that Sims missed this year. Look at his record at the start of the tournament and compare it to that of his teammates that were permanent starters:
10 - 2 Sims
27 - 3 Brandenstein
28 - 1 Boots
26 - 4 Lannert
So if we say he had the opportunity to wrestle about 30 matches, and he wrestled 12 instead, by your thesis we have to assume that he was slated to wrestle Welch a good 18 times during the regular season. I have heard of rivalries, but that would have been spectacular indeed. I am assuming (though perhaps I shouldn't) that I don't need to list MD's schedule to show that this is not even close to true.
So, in the end, we have a young man who is among Indiana's most decorated wrestlers in this year's class, who had shown for 4 years an incredible willingness wrestle in difficult circumstances, yet had missed about 60% of his matches in his final season, and you would have us believe that the most reasonable explanation for his forfeits is the fear of one wrestler he had wrestled competitively in the past. You are out of your mind.