NASCAR XFINITY 500 at Martinsville Odds, Pick: How To Bet Martin Truex Jr. vs. Ryan Blaney on Sundayby ActionNetworkOctober 29, 2021October 29, 2021Read our NASCAR betting pick for Martin Truex Jr. vs. Ryan Blaney ahead of Sunday’s XFINITY 500 at Martinsville Speedway. Leave a Reply Cancel replyYou must be logged in to post a comment.