Mariners Trade Pollock, Mathias to Giants; Sewald to Diamondbacks at Trade Deadline
- The Seattle Mariners traded outfielder A.J. Pollock and second baseman Mark Mathias to the San Francisco Giants.
- The Mariners also traded pitcher Paul Sewald to the Arizona Diamondbacks.
- Pollock, 35, was signed by the Mariners this past offseason on a one-year, $7 million deal.
- Mathias, 28, was claimed off waivers by the Mariners earlier this month.
- The trades happened ahead of the MLB trade deadline on Tuesday.
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