UTG opens 2.5bb, Hero MP with A♦J♠

Multi-way Preflop | 3-way: MP | 100bb effective | Difficulty: Standard

Players in hand: UTG, Hero (MP), BTN

Hero hand

A♦J♠

Board

(preflop)

Action so far:
UTG opens 2.5bb, Hero MP with A♦J♠

Pot: 5bb   To call: 2.5bb

Villain range: UTG open: 77+, AJs+, KQs, AKo

Your move: