RIGHTINTHETHICKOFIT

TRAINER’S ROOM Rockies: Mark Reynolds is not on the club’s final three-game trip to the Bay Area. He broke his left hand after being hit by a pitch against San Diego on Sept. 18, ending his season.

Giants: INF Eduardo Nunez had an MRI that showed a mild right hamstring pull that is expected to keep him out a few days, the reason Beckham was added. Nunez could be ready by the weekend series against the Dodgers. ... RHP Johnny Cueto threw a bullpen – Bochy even stood in as the hitter for a few minutes – to test his strained left groin and did fine. Cueto is slated to start Thursday as planned without restrictions. He will go through some fielding work today to make sure the groin is fine. ... OF Mac Williamson was placed on the 60-day disabled list with a quadriceps strain that was unknown to the team until he could barely walk after landing from San Diego on Sunday night.

ROSTER MOVES San Francisco sent Class-A infielder Rich Rodriguez to Atlanta. ... The Giants added C Tony Sanchez to the roster for insurance behind Posey and Trevor Brown. ... LHP Matt Reynolds was designated for assignment.

UP NEXT Rockies: RHP Tyler Chatwood (11-9, 4.08 ERA) is 7-1 with a 1.88 ERA in 12 road starts this season. He’s 2-1 with a 2.77 ERA in five career outings at AT&T Park.

Giants: RHP Jeff Samardzija (12-10, 3.83) is 1-1 with a 2.38 ERA in three starts this season against the Rockies, going at least seven innings in each one and striking out nine Colorado batters in the past two.