Ethan/Lyra
>Typhlosion/Meganium
>Togekiss
>Espeon/Umbreon
>Sudowoodo
>Red Gyarados/Azumarill
>Dragonite
Brendan/May
>Sceptile/Swampert
>Magcargo
>Wailord/Breloom
>Raichu/Swellow
>Latios/Latias
>Rayquaza
Lucas/Dawn
>Infernape/Torterra
>Alakazam
>Clefable
>Togekiss/Blissey
>Leafeon/Glaceon
>Lucario
Hilbert/Hilda
>Samurott/Emboar
>Pansear/Pansage
>Carracosta/Archen
>Braviary/Mandibuzz
>Conkeldurr*
>Zekrom/Reshiram
>*Excadrill, Sawk/Throh, Krookodile, Reuniclus/Gothitelle,Vanillux, Escavalier, Eelektross, Chandelure, Haxorus, Beartic, Cryogonal, Accelgor, Mienshao, Golurk, Bisharp, Bouffalant, Audino, Amoonguss, Jellicent, Alomolola, Musharna, Scrafty, Cofagrigus, Ferrothorn, and Klinklang are also fair game for this slot. Conkeldurr was chosen because it appeared the most between both Hilbert and HIlda's Offensive and Defensive teams. Durant and Lilligant are also candidates, but I've chosen to opt out because their version exclusive counterparts aren't in their subway teams.
Nate/Rosa
>Emboar/Serperior
>Pansage/Panpour
>Arcanine
>Lucario
>Zoroark
>Shiny Dragonite/Shiny Garchomp
Calem/Serena
>Chesnaught/Delphox
>Charizard/Blastoise
>Lucario
>Meowstic
>Absol
>Xerneas/Yveltal
>Elio/Selene
>Alolan Starter (ambiguous)
>Alolan Ninetales/Alolan Sandslash
>Lycanroc
>Toucannon
>Tsareena
>Solgaleo/Lunala
Victor/Gloria
>Galarian Starter (ambiguous)
>Toxtricity
>Urshifu
>Zacian/Zamazenta