By Rick Porter Television Business Editor CBS’ Marshals posted strong ratings numbers for its second episode, repeating as the top series — network or streaming — in cross-platform ratings for the week of March 2-8. The Yellowstone spinoff’s March 8 episode averaged 17.2 million viewers after seven days of streaming and other delayed viewing, according to Nielsen figures. The episode held onto about 83 percent of the 20.6 million people who watched the series premiere a week earlier. The top 20 shows (excluding sports and specials) for March 2-8 only include one streaming series in The Pitt, which tied for 14th with 8.2 million viewers. The rankings only include shows that released new episodes that week, but premieres such as Netflix’s Vladimir and Peacock’s Ted didn’t make it above 20th place. Also of note: NBC’s Chicago dramas returned from a few weeks off with a three-show crossover that drew audiences well above their season averages.…