The Sunday Read: Texas Rangers getting taste of what could be quality young rotation depth

Cole Winn and Jack Leiter are two of the Rangers' top prospects, but others are performing — even in the past week in the majors.

Cole Winn rates as the Rangers No. 3 overall prospect in a system that finally has some upper-level pitching depth (Frisco RoughRiders/Zach Del Bello).

Earlier this month, as three promotions and one trade were taking a toll on the rotation at Double A Frisco, pitching coach Jeff Andrews looked at the remnants and saw some irony.

“The best one is still he…