Rivas went 2-for-4 with a pair of RBI singles in an extra-inning win over the Giants on Friday.

Rivas played an integral part in locking in a victory for Dan Wilson in his managerial debut, rapping out his first RBI single in the eighth as part of a four-run, game-tying rally. Rivas then delivered in an even higher-leverage scenario two frames later, knocking in pinch runner Dylan Moore from third base in the 10th with the walk-off knock. The bottom-of-the-order shortstop has been contributing consistently despite his unfavorable lineup position, with Friday's performance being his fourth consecutive two-hit effort. Rivas doesn't offer much in the way of power, but his recent knack for consistent contact has led to him generating a .288 average and .362 on-base percentage across his first 59 big-league plate appearances.

Edwards is receiving imaging on his lower back this weekend, Christina De Nicola of MLB.com reports.

Edwards left in the third inning of Friday's game against the Cubs after sustaining a lower-back injury during a steal attempt in the second frame. The results of the imaging will determine whether Edwards will need a stint on the IL or just a few days of rest. The 25-year-old is in the midst of a five-game hitting streak and is slashing .349/.428/.436 with 22 stolen bases, 25 runs scored, one home run and 17 RBI across 202 plate appearances this season. In the interim, Vidal Brujan will see more playing time at shortstop for as long as Edwards is sidelined.

Moore entered Friday's extra-inning victory over the Giants as a pinch runner in the bottom of the 10th inning, recording a stolen base and the game-winning run.

Moore opened the 10th as the phantom runner and swiped third base, putting him in prime position to subsequently score the game-winning run on Leo Rivas' single. Moore has been mostly quiet at the plate of late -- he came into Friday mired in a 2-for-20 skid over his previous nine games -- but he's now up to a career-high 24 stolen bases on the season and has belted over half of his 62 hits for extra bases.

Edwards (back) is not in the starting lineup for Saturday's game against the Cubs.

Edwards left in the third inning of Friday's game due to lower-back discomfort that he experienced when stealing second base. Vidal Brujan will start at shortstop Saturday and bat eighth against Cubs southpaw Shota Imanaga.

Hamilton isn't in Boston's lineup for Saturday's game against the Diamondbacks, Christopher Smith of MassLive.com reports.

Hamilton will sit down for Saturday's contest after going 0-for-3 with a strikeout in Friday's series opener. His absence will allow Mickey Gasper to pick up a start at second base while batting seventh.

Seager went 2-for-4 with a walk and two RBI in Friday's 5-3 win over Cleveland.

Seager provided the winning blow with a two-run double in the second inning. The shortstop leads the Rangers with 70 RBI, fueled by a productive month. Seager has a .992 OPS with nine homers and 20 RBI over 19 games in August.

Pena went 2-for-4 with a home run, a double, two RBI and an additional run scored in Friday's 7-5 loss to the Orioles.

A rest day Thursday was good for Pena, as he drove in a run on a double in the third inning and crushed a 418-foot solo home run in the sixth. Over his past 10 games, the shortstop has tallied four multi-hit efforts with three homers and two steals. On the season, he is hitting .277 with 13 long balls, 59 RBI, 65 runs scored and 15 stolen bases across 520 plate appearances.

Edwards was removed from Friday's game against the Cubs due to lower-back discomfort, Daniel Alvarez-Montes of ElExtraBase.com reports.

Edwards singled during his lone at-bat Friday and then stole second base, but he was replaced at shortstop once the Marlins took the field in the third inning. The severity of his back injury remains unknown, though Vidal Brujan would presumably take over as Miami's starting shortstop if Edwards is unable to play Saturday.

Rojas (hamstring) is starting at shortstop and batting seventh in Friday's game against Tampa Bay.

Rojas was scratched from Wednesday's lineup against Seattle due to a left hamstring injury. The Dodgers' day off Thursday seems to have done the trick, and the 35-year-old will return to action after a one-game absence. Since being reinstated from the injured list Aug. 7, Rojas has gone 13-for-38 with five runs scored, two stolen bases and five RBI.

The Tigers recalled Kreidler from Triple-A Toledo on Friday.

Javier Baez (back/hip) is headed to the injured list, creating a need for infield depth. Kreidler could find himself on the short side of a platoon with Trey Sweeney at shortstop for the Tigers. Kreidler slashed .136/.208/.205 in 48 plate appearances with Detroit earlier this season.