Checked last 90 days on Bet365, and the stats have improved indeed. The percentage numbers below are flat yield.
Large bet count (higher certainty)
Tennis (2.5%) and football (3.3%) has over-performed during the period compared to the CLV (Closing Line Value).
Fewer bets (lower certainty)
Basketball (3.2%) has over-performed during the period.
E-sport (0.4%) has under-performed, but still in the green.
Baseball (-14.1%) has greatly under-performed, but has the lowest bet count of them all (lowest certainty in the data set).