Mariners optioned LHP Vidal Nuno to Triple-A Tacoma.
The 27-year-old left-hander pitched very well out of the Mariners bullpen, registering a 2.53 ERA, 1.03 WHIP and 10/1 K/BB ratio in 10 2/3 innings. It's unclear exactly why he's being sent out though, unless they prefer to stretch him back out as a starter at Triple-A.
Mariners optioned LHP Roenis Elias to Triple-A Tacoma.
The 26-year-old southpaw has pitched relatively well in the Mariners rotation, compiling a 4.27 ERA, 1.24 WHIP and 64/25 K/BB ratio over 78 innings in 13 starts. He became the odd-man out though with Hisashi Iwakuma set to return from the disabled list. Elias will get another chance the next time the M's need an extra starter.
Rays purchased the contract of LHP Everett Teaford from Triple-A Durham.
The 31-year-old will provide depth to the Rays bullpen with his ability to work multiple innings. In 13 starts at Triple-A Durham he has registered a 5.56 ERA, 1.49 WHIP and 46/18 K/BB ratio across 68 frames.
Rays optioned LHP C.J. Riefenhauser to Triple-A Durham.
The 25-year-old southpaw has really struggled in his limited time with the Rays this season, posting a 9.95 ERA, 1.90 WHIP and 2/4 K/BB ratio in 6 1/3 innings of work. He'll continue to provide bullpen depth in the minor leagues.
Rays designated 1B Marc Krauss for assignment.
The first baseman was optioned to Triple-A earlier in the week after going just 1-for-10 with seven strikeouts in his limited time with the Rays. There's a chance that he could attract some interest on waivers.
Denard Span is not in the Nationals starting lineup for Saturday's contest against the Giants.
It appears to be nothing more than a regular day of rest for the veteran outfielder who has seen his fair share of injuries this season. Michael Taylor will slide over to center field and bat leadoff for the Nationals against Madison Bumgarner and the Giants.
Reds general manager Walt Jocketty clarified Thursday that the team will not trade third baseman Todd Frazier.
The Reds are expected to be sellers at the trade deadline and have several pieces that should be very popular commodities. Frazier won't be one of them though. He's in the midst of an outstanding season, slashing .281/.341/.600 with 25 homers, 54 RBI and eight stolen bases.
Rangers activated LHP Matt Harrison from the 60-day disabled list.
Harrison will make his long-awaited return to the Rangers rotation on Tuesday against the Diamondbacks. Harrison has been sidelined since undergoing spinal fusion surgery last June and has made a total of six starts in the big leagues since the 2012 season. He struggled in six starts on his minor league rehab assignment, compiling a 6.23 ERA and 1.67 WHIP over 34 2/3 innings.