Binnington allowed two goals on 14 shots in Sunday's 7-6 loss to the Kings.
Binnington came on to relieve Joel Hofer late in the first period after the Blues fell behind 5-1. The Blues would outscore the Kings 3-0 in the second, cutting the deficit to 5-4. However, Binnington allowed a pair of goals in the final frame as he was saddled with the loss. The 29-year-old netminder fell to 23-25-5 with an .892 save percentage on the season.