Also for future reference and not having to look at the MM constantly
Wolf - Medium beast
Armor Class: 13 (natural armor)
Hit Points: 11
Speed 40 ft.
STR
12 (+1) DEX
15 (+2) CON
12 (+1) INT
3 (-4) WIS
12 (+1) CHA
6 (-2)
Skills: Perception +3, Stealth +4
Senses: passive Perception 13
Keen Hearing and Smell. The wolf has advantage on Wisdom (Perception) checks that rely on hearing or smell.
Pack Tactics. The wolf has advantage on attack rolls against a creature if at least one of the wolf's allies is within 5 feet of the creature and the ally isn't incapacitated.
ACTIONS
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) piercing damage. If the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone.