changing officials

[cowbyfan1]

I have a game coming up that I have a group of 2nd and 3rd year officials with me. Myself and the backjudge are 4th and 7th year officials respectively.
The game has 2 teams battling for playoff positioning as they are 7-1 and 6-2 (6-2 is the visitor) so it will be an intense ball game, at least for the start of the game and then longer depending on how the game goes score wise (the 6-2 team either wins or loses by blowout from what I have seen). I also know that the visiting team has a coach that loves to blow his stack. I have made a call and when trying to tell him what I had he would not let me get 2 words in.
The official that is supposed to be the HL is in his second year and, while it looks like he is going to be a good official, he is a bit on the timid side and will probably get eaten alive by this coach. Should I swap him to LJ and put the LJ at HL as he is a bit more experienced?
I don't want him to feel like he cannot handle it but yet I don't want him getting destroyed and quitting because he desides he cannot handle it. Like I said I think he will be a very good official someday.
Opinions????