racingroundup.com
Where to find racing action, on TV and online BY:  MIKE PRYSON - Racing Roundup Arizona
WHAT’S ON THIS WEEK RACING ON TV THURSDAY, FEBRUARY 28 Kicker Arenacross, Denver; 7 p.m., FS2 (T) NHRA Sportsman Series, Pomona, Calif.; 10 p.m., FS2 (T) NHRA in 30, Phoenix; 11 p.m., FS2 (T) FRIDAY, MARCH 1 Monster Energy NASCAR Cup practice, Las Vegas; 3 p.m., FS1 (L) NASCAR Xfinity practice, Las Vegas; 4 p.m. …