ARLINGTON -- In the American League West, Edwin Diaz stands above all other closers.
Diaz is a prime reason why the Mariners are off to a good start in a division in which four of five teams have winning records. The other four teams have at least a tinge of mystery surrounding their closer as the first month of the season comes to an end.
Being a Major League closer can be a tenuous situation, and here's how the five AL West teams stand after four weeks.
Angels
Who's the closer?