Despite their name, Barrow's Biggest Birds do not currently possess any of largest birds in season 3, and have only had at most three birds on their roster. They briefly had the tallest drafted bird, Quaquaval, but exchanged them in week 3.
The Raleigh County Revavrooms conducted the single largest free agency exchange of season 3 in week 3, replacing eight members of their roster.
The Canberra Mamoswines are the slowest team, with an average of 65 Speed across their roster. The Buenos Aires Aggrons are the fastest, with an average of 84.6 Speed.
The Nimbasa City Ninjasks have the greatest Speed differential between their fastest and slowest members, of 112 points. Emily's Eevees and the Raleigh County Revavrooms are tied for the lowest differential, of 72 points.
The Raleigh County Revavrooms have the largest roster, with up to 13 bodies across their 10 members. Prior to week 6, the Buenos Aires Aggrons had the most heads, with 14.
Prior to week 6, Cerluedge had more kills than all other Fire-type Pokémon combined that aren't some kind of Volcarona, as befitting of its ability, Flash Fire.
Most teams have an average member cost of 12 points. The San Francisco 549ers are most unevenly weighted team, with a standard distribution of 6.99 points. The Canberra Mamoswines are the most evenly weighted, with a standard distribution of 5.06 points.
Two teams have more than one 2-cost Pokémon in their rosters: Barrow's Biggest Birds and the Nimbasa City Ninjasks, each with 2 members. Four teams have no 2-cost Pokémon at all.
The Buenos Aires Aggrons and Canberra Mamoswines are tied for having the largest type overlap on their rosters: the Aggrons have 4 Water-types, and the Mamoswines have 4 Electric-types.
I have exactly 3 facts, and they're all about how fast teams are.
6-0s happen more often than you'd think. It may even happen to you!
Pivot moves make up approximately 12% of all moves used in season 3. This is because U-turn is the only pivoting move to be widely available outside Pokémon of the same type as the move. This will probably be fixed in generation 10.
Brute Bonnet is the only ancient Paradox Pokémon to not be drafted in season 3 (among those available). However, Amoongus has been. They are very upset by this.
Only two future Paradox Pokémon have not been drafted in season 3: Iron Jugulus and Iron Thorns. Iron Jugulus is resentful that Hydreigon has seen lots of play, but it hasn't.
As usual, Flareon is the only original Eeveelution to not be drafted in season 3.
After 5 generations of competitive relevance, Heatran is still weak to Earthquake.
#holy-heck-pokemon-league contains the letters "OKHO" in order, so Discord suggests it when searching for OKHO.
Donphan and Volcarona are the most-drafted Pokémon in season 3.
252+ Atk Choice Band Quark Drive Iron Hands Wild Charge vs. 252 HP / 252+ Def Dondozo in Electric Terrain: 564-666 (111.9 - 132.1%) -- guaranteed OHKO
The San Francisco 549ers and Scheveningen Slow Bros are tied for winning the most 6-0s of season 3, with two matches each.
Barrow's Biggest Birds and Mew York are tied for winning the most games by surrender, with two matches each.
No Pokémon has fainted due to Confusion in season 3.
No Pokémon has led a single team in every match. However, 11 Pokémon have led in every match they have been fielded, and The Cheyenne Chimchars' Ting-Lu has the highest rate of leading, being fielded first in 66.7% of all of their games.
Aside from the Cheyenne Chimchars, two teams are tied for the most staples (Pokémon fielded every single match): Mew York's Torkoal and Slither Wing, and the Scheveningen Slow Bros' Slowking-G and Corviknight.