Three things immediately come to mind without even blinking....
1) The work begins before you step foot on campus. You want to be in the best shape possible to compete for future playing time with bigger teammates and more experienced teammates. Spring playing time is won in the Fall.
2) Stay ahead of your academics. If there is a freshmen requirement for study hall, you need to be there. Too often players fall behind on their academics and get in the coaches doghouse.....coaches are checking, so don't think for a second academics are optional.
3) Be a great teammate. The reality is you won't like everybody and everybody won't like you, but when you are in the clubhouse or on the practice field be a great teammate and support everybody.