As pitchers approach inning limits, Mariners discuss six-man rotation, spot starters (trades?)

The Seattle Mariners, or maybe just the outside observers, spent the first month of the season wondering how they were going to get their starting pitchers deeper into ball games. They were one of two teams in the American League that had witnessed no more than one start of at least seven innings pitched through the first month-plus of the season.

Now?

They've pitched so much and continually so deep into games that manager Scott Servais said Saturday that they’re discussing how best to manage all these innings thresholds their starters have hit and are well on pace to surpass, even though the All-Star break is still more than two weeks away.

Marco Gonzales tossed his first complete game of his…