Colton Cowser has more plate appearances in Triple-A than Adley Rutschman or Gunnar Henderson did when they were promoted. And Cowser has better numbers.

Cowser in 298 PAs: .420 OBP, .926 OPS
Henderson in 295 PAs: .390 OBP, .894 OPS
Rutschman in 238 PAs: .399 OBP, .879 OPS

— Jacob Calvin Meyer (@jcalvinmeyer) May 15, 2023