Keller was optioned to Triple-A Indianapolis prior to Tuesday's game against the Cubs.

EDGE Analysis

With Cody Ponce being recalled to start Tuesday's tilt, Keller was deemed the odd man out for the Pirates. The right-hander appeared in three games since being called up May 15, allowing three earned runs on two hits and three walks while punching out four. He figures to be a candidate to rejoin the big club at some point later this season.

Keller was recalled by the Pirates on Saturday.

EDGE Analysis

Keller was picked up in a trade from the Angels in early April. In 13 career innings at the major-league level, the 28-year-old owns a 4.15 ERA and a 12:10 K:BB. He'll likely fill a low-leverage role for now. Miguel Yajure was optioned in a corresponding move.

Keller was traded from the Angels to the Pirates in exchange for cash considerations Monday.

EDGE Analysis

Keller was available for cheap after being designated for assignment Wednesday. In 13 innings thus far in his big-league career, he's struck out 12 and walked 10, giving up six runs. He'll head to the Pirates' alternate site for now. Edgar Santana was designated for assignment in a corresponding move.

Keller was designated for assignment by the Angels on Wednesday.

EDGE Analysis

The 27-year-old was optioned to Triple-A Salt Lake earlier in camp and has now lost his 40-man roster spot on the eve of Opening Day. Keller appeared in two games for Los Angeles last season and faces a tougher road to return to the big leagues in 2021.

Keller was optioned to Triple-A Salt Lake on Sunday.

EDGE Analysis

Keller spent most of spring training in major-league camp and posted a 6.14 ERA and 9:3 K:BB over 7.1 innings during six Cactus League appearances. The right-hander will head to the minors to begin the regular season but could return to the big leagues at some point if the Angels need bullpen depth.

Keller was optioned to the Angels' alternate training site Tuesday.

EDGE Analysis

Keller was called up to the major-league club Saturday to serve as bullpen depth, but he did not make an appearance during his most recent stint with the club. He'll continue to develop with the alternate squad going forward.

Keller was recalled from the Angels' alternate site Saturday.

EDGE Analysis

Keller was brought up for the third time this season one month to the day after he was last optioned. Like before, he will serve as an extra arm out of the bullpen if needed.

Keller was optioned to the Angels' alternate training site following Tuesday's 5-3 win over the Mariners, Eric Stephen of SBNation.com reports.

EDGE Analysis

Called up before the contest to replace the injured Cam Bedrosian (groin) in the bullpen, Keller's stay with the big club lasted less than 24 hours. Keller had previously made two appearances for the Halos earlier in the season, giving up a run both times out.

Keller was optioned to the Angels' alternate training site Saturday.

EDGE Analysis

The 27-year-old was recalled Thursday and appeared in each of the past two games, allowing two runs on three hits with one strikeout and two walks over 2.1 innings. Keller will continue working out at the alternate site and could rejoin the Angels later in the season.

Keller was recalled from the Angels alternative training site Thursday.

EDGE Analysis

A roster spot opened up for Keller with outfielder Mike Trout being placed on the paternity list Thursday evening. Keller, who logged a 3.38 ERA over 10 appearances for the Marlins in 2019, will give manager Joe Maddon an additional option to use out of the Halos bullpen.