MANILA, Philippines — Displaying mental toughness, Petro Gazz rediscovered its winning ways fending off also-ran but gritty Farm Fresh, 25-22, 19-25, 25-16, 26-24, to keep its semifinal hopes alive in the 2023 Premier Volleyball League (PVL) second All-Filipino Conference on Tuesday at Philsports Arena. After a 4-0 start in the tournament, the Angels went downhill