He is like an actor who brings heart to each role, but lets his concentration, his emotional stamina waver.
And then with impeccable balance and concentration, his arms waving in smooth, swooping motions, he reached midway and beyond.
He played with the same obvious focus, the look of concentration his opponents have grown to fear.
He is losing his concentration, his sales mojo, his salary, his temper, and, given his unmooring visions, maybe even his mind.
However, the teacher added: "With greater concentration, his work could be even better".
Murray's grinding concentration, his unimpeachable reliability in defense and workmanlike efficiency in attack, were too much for the intense Melzer.
Whatever the reason, bugs or concentration, his undeniable talent has been unleashed.
His concentration too, his desire, is better than the rest.
Waugh's cardinal virtues as a batsman were his concentration and his insatiable hunger for runs - any runs.
Sojo said after the season that second baseman Robinson Cano needed to work on his concentration despite his impressive rookie season.
"His concentration and his focus have improved, he is much sharper and he will continue to do well.
