SYDNEY: Former New Zealand Test captain Daniel Vettori on Tuesday became the second international to sign with Brisbane Heat for Australia’s Twenty20 Big Bash next summer.The left-arm spinner, who has taken 79 wickets in 70 career T20 games at an average of 20.96, will play alongside compatriot Brendon McCullum in the new-look domestic competition from December 30-February 5.Heat coach Darren Lehmann said it was important to have such an experienced player on the team.“He’s obviously a leader, which is what you want, and to call on that experience and skill will be vital for us,” Lehmann said.The Big Bash League signing window closes on Friday