Fan question: If MLB rosters expand to 30, which four extra Mariners would make it?
The Costs and Benefits of Six-Man Rotations
Mariners are planning six-man rotation
Mariners plan to shift to six-man rotation next week : r/baseball
Mariners send young RHP Matt Brash to Triple-A, move to 'pen
Fantasy Baseball Two-Start Pitchers/Streaming Starters Week 21; Luis Castillo In Line For Two Starts
Mariners mailbag: Could a 6-man rotation be the answer to Seattle's pitching woes?