Boston Red Sox Roster
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Boston Red Sox rookie outfielder/infielder Ceddanne Rafaela is sitting out on Friday on the road in St. Louis against the Cardinals. Rafaela has played as the team's center fielder and shortstop so far in just his second year in the big leagues, showing just how athletic he is on the diamond. He's not as advanced at the plate, though, and is hitting just .201 (30-for-149) with four home runs, 23 RBI, four stolen bases and 18 runs scored. Rafaela has been a bit better in May with a .234 average (11-for-47) with two homers and six RBI in 14 games played. With Rafaela getting a day of rest in the series opener at Busch Stadium, David Hamilton is getting the start at shortstop and will hit in the nine-hole against Cardinals right-hander Kyle Gibson. Hamilton isn't a recommended DFS play at the position.
Boston Red Sox starting pitcher Garrett Whitlock (elbow) is scheduled to undergo additional testing on Monday. This is frustrating after Whitlock looked strong during his latest minor league rehab outing on Wednesday. The plan was for Whitlock to return to the team next week, but that looks like it has changed. The 27-year-old will now have more testing done due to elbow soreness. Fantasy managers will need to be patient as the team should provide another update following his evaluation.
Boston Red Sox starting pitcher Cooper Criswell struggled against his former team, the Tampa Bay Rays, on Thursday. Criswell only last 3 2/3 innings and allowed four hits, five runs (three earned), two walks and three strikeouts. It was the worst performance of the season for Criswell, and he still owns a solid 2.76 ERA with the rough performance. With starting pitcher Garrett Whitlock (oblique) due back as early as next week, Criswell is likely to shift to a swingman role moving forward. Despite his good overall numbers, Criswell is unlikely to help much in the fantasy community and can be avoided in most formats.
Boston Red Sox outfielder Jarren Duran had a big game on Thursday, going 3-for-5 with a homer and two doubles in a 7-5 loss against the Tampa Bay Rays. Duran added a pair of runs and an RBI to round out his line. The lefty now has five extra-base hits in his last two games after hitting a pair of doubles yesterday and following it up with today's performance. After a slump in late April, Duran has somewhat returned to his early-season form, although the steals haven't been there recently. He isn't much of a fantasy asset without the swipes, so his owners will have to hope those come back.
Boston Red Sox shortstop prospect Marcelo Mayer has been on fire to begin the season but has been especially dominant through the early part of May. Since May 1, the 21-year-old has a .314/.379/.529 line with one home run, 11 RBI, three stolen bases, and a 6:9 BB:K ratio. On the season, the top prospect in Boston has posted a .310/.359/.496 slash line. After struggling through 43 games at Double-A last season, Mayer has begun to find his footing and is making a case to be moved up to Triple-A very soon. MLB Pipeline projects him to reach the major leagues this season and could become a stash candidate later in the summer if he continues to dominant minor league pitching.