The Mariners outrighted Wilson to Triple-A Tacoma on Monday, Ryan Divish of The Seattle Times reports.
Wilson was removed from the 40-man roster after appearing in 54 games for the Mariners last season. He slashed an ugly .192/.263/.296 with three home runs, 11 RBI, 18 runs scored, five stolen bases and a 12:47 BB:K across 136 trips to the plate with Seattle.