7:05 PM - Christian Koss (SF) Giants reinstated Koss (hamstring) from the injured list Friday.

10:31 AM - Christian Koss (SF) (hamstring) had his rehab assignment transferred to Triple-A Sacramento on Saturday, and he went 1-for-5 with an RBI double in the team's 5-4 win over Las Vegas.

1:10 PM - Christian Koss (SF) (hamstring) began his rehab stint in the rookie-level Arizona Complex League on Thursday, and he went 2-for-3 with two runs scored and an RBI in the team's 7-3 win over the ACL Diamondbacks.

5:14 PM - Christian Koss (SF) (hamstring) is expected to begin his minor-league rehab assignment next week, Shayna Rubin of the San Francisco Chronicle reports.

11:31 AM - Christian Koss (SF) (hamstring) is set to resume baseball activities this week and be re-evaluated after the All-Star break, per MLB.com.

6:34 PM - Christian Koss (SF) Giants placed Koss on the 10-day injured list Tuesday with a left hamstring strain, Justice delos Santos of San Jose Mercury News reports.

11:06 AM - Christian Koss (SF) went 2-for-3 with a double, a run scored, a stolen base and a walk in Sunday's 5-2 loss to the White Sox.

2:08 PM - Christian Koss (SF) will start at third base and bat seventh in Sunday's game against the White Sox.

8:19 AM - Christian Koss (SF) went 0-for-3 with an RBI and a run scored in Wednesday's 8-5 extra-inning loss to the Marlins.

2:50 PM - Christian Koss (SF) Giants recalled Koss from Triple-A Sacramento on Tuesday, Shayna Rubin of the San Francisco Chronicle reports.

12:45 PM - Christian Koss (SF) Giants optioned Koss to Triple-A Sacramento on Wednesday, Shayna Rubin of the San Francisco Chronicle reports.

1:55 PM - Christian Koss (SF) is out of the lineup for Wednesday's game against the Royals, Shayna Rubin of the San Francisco Chronicle reports.

1:49 PM - Christian Koss (SF) is out of the lineup for Sunday's game against the Twins.

2:54 PM - Christian Koss (SF) will start at second base and bat ninth in Sunday's game against the Rockies.

11:46 AM - Christian Koss (SF) went 1-for-3 with an RBI in Sunday's 3-2 win over the Rangers.

1:36 PM - Christian Koss (SF) went 0-for-3 with a walk and a run scored in Tuesday's 3-1 win over the Astros.

1:16 PM - Christian Koss (SF) is an option to slide into the outfield and could operate in a utility role this season, Shayna Rubin of the San Francisco Chronicle reports.

8:16 PM - Christian Koss (SF) Giants selected Koss' contract from Triple-A Sacramento on Wednesday.