Luis Miguel Romero (Mansfarroll) was originally signed by A’s scout JC De La Cruz…is married, Mary…spent four seasons with Guantanamo in Cuba’s Serie Nacional and was 9-7 with nine saves and a 4.80 ERA in 46 games, including 10 starts.
2021
Was recalled by the A’s from Triple-A Las Vegas on Sept. 8 but did not appear in a game before he was optioned back to the Aviators on Sept. 21... Was 3-6 with two saves, a 6.27 ERA and .284 opponents batting average in 28 games, including 13 starts, with Las Vegas... Struck out 54 batters in 74.2 innings, which marked the first time in his career that he finished with fewer strikeouts than innings pitched... Had career highs in innings pitched, games started, ERA, opponents batting average, losses, hits (86), runs (56), home runs (15) and hit batters (7)… Was 3-5 with a 5.46 ERA and .809 opponents OPS in his 13 starts and 0-1 with a 9.00 ERA and .996 OPS in 15 relief appearances…began the season with 12 relief appearances, started 13 of his next 14 games from June 18 to Sept. 4 and then pitched twice in relief following his Sept. 21 option from Oakland…had just six career starts entering the season... His opponents batting average broke down to .280 (42-for-150) with an .801 OPS against left-handed hitters compared to .288 (44-for-153) with a .907 OPS against right-handers... First batters faced were 1-for-13 (.077) with two walks in his 15 relief appearances and he stranded all three of his inherited runners... Had a 7.54 ERA and .912 OPS in 13 home games, a 5.02 ERA and .795 OPS in 15 road games... Held the opponents three and four hitters in the order to a .205 average but the five hitter batted .448... Tossed five innings or fewer in 10 of his 13 starts and one inning or more in 13 of his 15 relief appearances.
2020
Was a non-roster invitee during Spring Training and did not allow a run in his one appearance (1.0 ip, 2 bb, 1 so)…was added to the A’s 60-man player on July 1 but did not pitch in 2020.
2019
Made his Triple-A debut and spent the entire season at Las Vegas where he went 4-1 with three saves and a 3.96 ERA in a career-high 45 appearances, including one start…struck out a careerhigh 81 batters in a career-high 72.2 innings (10.03 per nine innings)…held the opposition to a .234 batting average but issued a career-high 36 walks (4.46 per nine innings)…also had minor league career highs in wins, hits (65), home runs (11) and hit batters (6) and matched his high in runs (34) and wild pitches (4)…his 45 games pitched tied for the most in the A's farm system…his opponents batting average broke down to .204 (34-for-167) against right-handed hitters compared to .279 (31-for-111) against left-handers…surrendered seven of his 11 home runs to lefties for a .514 slugging percentage (.299 vs. right-handers)…opponents hit .306 when leading off an inning…allowed a .217 average with two outs…tossed at least one inning in 42 of his 45 appearances, including two or more 19 times.
LAS VEGAS: Allowed at least one run in each of his first three appearances (12.00 ERA)…then posted a 2.11 ERA and .179 opponents batting average over his next 14 games from April 16 to May 26…issued a career-high four walks in 1.2 innings on April 24 against El Paso…compiled a 6.23 ERA in eight games in April…struck out 16 batters in 8.2 innings but also issued 11 walks… struck out a career-high tying five batters May 6 against Fresno (also June 27, 2017 vs. DSL Dodgers)…allowed at least one run five times over a six-game stretch from May 30 to June 17 (7.84 ERA)…then tossed a career-high 3.2 scoreless innings June 22 against Sacramento (1 h, 1 bb, 1 so)…matched his career high with five strikeouts on June 26 at Fresno…made his lone start of the season July 7 vs. Albuquerque (2.0 ip, 1 h, 1 r, 1 er, 1 bb, 2 so)…allowed a season-high four runs on a season-high tying four hits in 2.0 innings of relief against El Paso July 25…then posted a 2.93 ERA over his final 12 games beginning July 27…recorded his two saves over a three-game span in late August: Aug. 12 at Omaha and Aug. 22 at Tacoma…matched his career high with five strikeouts in the latter contest…made one postseason appearance on Sept. 6 against Sacramento in Game 3 of the Pacific Coast League Semifinals (1.0 ip, 2 h, 3 r, 3 er, 2 bb, 1 so).
2018
Started the year at Single-A Stockton and was 1-2 with 13 saves and a 1.84 ERA in 22 relief appearances when he was promoted to Double-A Midland June 13…was 1-1 with a save and a 6.00 ERA in 22 outings for the RockHounds and combined with both clubs to go 2-3 with 14 saves and a 3.94 ERA in 44 relief appearances overall in his second professional season…struck out 66 batters in 59.1 innings, an average of 10.01 per nine innings…was leading the California League in saves at the time of his promotion and ended up tying for third despite spending half of the season at Midland…tied for third in the A's farm system in saves…converted 13-of-14 (92.9%) save opportunities with Stockton and was 14-for-19 (73.7%) overall…was named to the Cal League Midseason All-Star Game but did not play due to his promotion…allowed a .252 opponents batting average, which broke down to .223 (33-for-148) against right-handed hitters compared to .311 (23-for-74) against left-handers…yielded a .219 batting average with the bases empty, .298 with five of his seven home runs with runners on base…allowed 5-of-12 (41.7%) inherited runners to score…logged a 0.77 ERA and converted each of his five save opportunities in eight day games…had a 4.72 ERA in 36 contests at night…posted a 0.71 ERA in eight home games with Stockton…tossed at least one inning in 37 of his 44 appearances and at least two innings 15 times.
MINORS: Tossed 2.0 scoreless innings for the save in his first outing April 7 against Lake Elsinore… it was his first of five two-inning saves…struck out a season-high four batters on April 20 against Visalia (also July 5 at Tulsa and Aug. 4 against San Antonio…posted a 1.20 ERA and .125 opponents batting average in nine outings in April and converted each of his six save opportunities… then had a 1.80 ERA, .216 opponents average and five saves in nine games in May…had a seasonhigh 7.1-inning scoreless streak from May 14 to 30…walked his first batter of the season May 22 at Rancho Cucamonga, snapping a season-opening 14-game, 21.2-inning streak without a walk…had a 1.44 ERA in 18 games through the end of May…then allowed one run in each of his final four outings with Stockton (4.15 ERA)…issued a season-high two walks June 5 at San Jose, his first of three games with more than one walk…was transferred to Midland June 13…surrendered a season-high five hits in 2.0 innings June 20 against Frisco…yielded a season-high six runs on four hits and a walk in 0.1 innings for the blown save and loss on July 2 against Springfield… that game him a 10.80 ERA over his first six games with the RockHounds…did not allow a run in five of his next six outings (2.45 ERA), but then allowed seven runs in 1.2 innings in his final two appearances of July…had a 13.50 ERA and .364 opponents batting average in nine games in July…then went 1-0 with a save, a 1.88 ERA and .188 opponents average over his final eight appearances…tossed a season-high 3.0 innings and picked up the win Aug. 29 against San Antonio.
2017
Pitched for four different teams in the A’s farm system and was a combined 3-1 with a 4.88 ERA in 14 games, including five starts, with the A’s affiliates in the Dominican Summer League and Arizona Rookie League and their Single-A clubs at Beloit and Stockton…struck out 42 batters in 31.1 innings, an average of 12.06 per nine innings…allowed a .256 opponents batting average, including .229 against right-handed hitters compared to .294 against left-handers…opponents hit .179 with runners in scoring position and were 1-for-12 (.083) with RISP and two outs…made two appearances with the A’s Dominican club before he was brought to the United States June 21…made one relief appearance in the Arizona Rookie League and was transferred to Single-A Beloit June 27…made three starts for the Snappers before he was sent to Single-A Stockton July 17…was placed on the disabled list Aug. 31 with a strained left groin and missed the remainder of the season…pitched for Mesa in the Arizona Fall League following the season and went 1-0 with a 7.59 ERA in nine relief appearances.
