WEST ROXBURY and WESTWOOD — The fact that Catholic Memorial and Xaverian are less than six miles apart made the scrimmage doubleheader possible. That, and the fact that the times were staggered, with the one at CM at 11 am, and the one at Xaverian 1 p.m. For Catholic Memorial, the visitor was Fitchburg. Xaverian welcomed Merrimack Valley Conference foes Andover and Tewksbury. The one at Xaverian was a little……