Mo-Co Rush Team Tryouts August News Progress Posted on July 27, 2016 by webmasterJuly 27, 2016 •July 27, 2016• Baseball/softball tryouts for the 2017 Mo-Co Rush will be held Saturday and Sunday, August 6 and 7 in Jurgens Park in Arthur. Sign ups and warm ups begin 30 minutes prior to tryouts. Login or Subscribe to read the rest of this story.