The round-arm flings of Usman Tariq would tax batsmen’s eye, just as it would overwork the doubters’ fingers, furiously alternating between rewind and pause buttons. Australia all-rounder Cameron Green was left unamused when the Pakistan off-spinner ejected him in a recent T20I; he angrily mimicked the action, as if suggesting that Usman had exceeded the 15-degree bent-elbow limit permissible to bowlers. But after watching the replays, he promptly apologised to the bowler. Green, though, would not be the last batsman to trudge back wondering about the legality of Usman’s action. The action has confounded umpires. Twice he was reported during the Pakistan Super League (PSL), but cleared both times. He is tired explaining the genesis of his unusual action. “I have two elbows in my arm. My arm bends naturally. I have got this tested and cleared. Everyone feels I bend my arms and all that. My bent arm is a biological issue,” Usman explained to MYK channel. In medical lexicon, he has double-jointed elbows, which means he cannot fully straighten his arms. The great …