Description: Blue Jays first baseman Edwin Encarnacion is again not in Wednesday's starting lineup against the Nationals.
Insight: Encarnacion told MLB.com late Tuesday night that he is dealing with a hamstring injury. He will rest on Wednesday then the Blue Jays have an off day on Thursday. With any luck, Encarnacion will be back on Friday.
Description: Marlins first baseman Justin Bour is not in Wednesday's starting lineup versus the Cubs.
Insight: As expected, Bour is getting the day off against the lefty Jon Lester. Bour has shown quite a bit of power lately, hitting three home runs in his last five games. He is hitting .333 with five home runs and 10 RBI in 72 at-bats this season.
Description: Yankees first baseman Mark Teixeira was 1-for-4 with an RBI in the, 5-3, extra-inning victory over the Mariners on Tuesday.
Insight: Teixeira hit a double in the third to score the first run of the game. New York won the game on Garrett Jones' three-run homer. Teixeira is hitting .241 with 15 home runs and 40 RBI in 170 at-bats this season.
Description: Yankees first baseman Garrett Jones hit the game-winning home run in the top of the 11th as New York beat Seattle, 5-3, on Tuesday.
Insight: Jones' 401-foot homer gave New York a three-run lead in extras, and the Yankees held on for a two-run victory. Jones pinched hit in the eight and went 2-for-3 with the home run and three runs in the game. He is batting .254 with two home runs and seven RBI in 59 at-bats this season.
Description: Dodgers first baseman Adrian Gonzalez was 1-for-4 with a two-run homer in the, 9-8, victory over the Rockies in the second game of the doubleheader on Tuesday.
Insight: With Gonzalez's homer, Los Angeles went ahead, 4-0, in the third, but they had to rally back with a grand slam in the ninth. Gonzalez is the leader in All-Star votes for NL first basemen and for good reason. He is slashing .332/.411/.610 with 11 home runs and 38 RBI in 187 at-bats this season.
Description: Cubs first baseman Anthony Rizzo had an RBI-double in the loss to the Marlins on Tuesday.
Insight: Rizzo actually helped Chicago take a, 2-1, lead in the third driving in a run on the double and scoring on Junior Lake's double, but Miami scored the final four runs of the game to win, 5-2. Rizzo is hitting .317 with nine home runs and 31 RBi in 180 at-bats this season.
Description: Diamondbacks first baseman Paul Goldschmidt became the first player ever to have three hits and three intentional walks in Sunday's game against the Brewers.
Insight: In the long extra-inning marathon, Goldschmidt came up with first base open several times, and Milwaukee elected to walk him. He was 3-for-4 with an RBI, run and four walks. In the last three games, Goldschmidt has gone 9-for-14 with three home runs, five RBI and five runs.
Description: Cubs first baseman Anthony Rizzo was 2-for-3 with a triple in the, 2-1, 11th inning victory over the Royals on Sunday.
Insight: Rizzo nearly had the game-winning RBI in the 11th, but Royals left fielder Alex Gordon threw Dexter Fowler out at the plate. Rizzo also had a triple but didn't end up scoring. He is hitting .318/.439/.572 with nine home runs and 29 RBI in 173 at-bats this season.
Description: White Sox first baseman Jose Abreu has been downgraded to out for Saturday's game against Houston due to a right index finger issue.
Insight: Abreu had trouble gripping the bat. He has disappointed fantasy owners a bit, hitting just .282 with eight home runs and 29 RBI in 181 at-bats. That's not a pace that's going to reproduce last season's totals - .317, 36 HR, 107 RBI, .964 OPS.
Description: White Sox first baseman Jose Abreu is questionable for Saturday's game against Houston due to a right index finger issue.
Insight: Abreu had trouble gripping the bat. Abreu has disappointed fantasy owners a bit, hitting just .282 with eight home runs and 29 RBI in 181 at-bats. That's not a pace that's going to reproduce last season's totals - .317, 36 HR, 107 RBI, .964 OPS.
Description: Orioles first baseman Chris Davis hit another home run in the, 2-1, victory over the Rays on Friday.
Insight: Davis has four home runs in the last four games and because the Orioles played a double header on Thursday, Davis actually has four home runs in three days. Davis is hitting .228 with 12 home runs and 30 RBI in 162 at-bats this season.
Description: Marlins first baseman Justin Bour had a massive home run off Matt Harvey in the, 4-3, victory over the Mets on Friday.
Insight: Bour was 1-for-4 in the game with the three-run homer. It reached the upper deck right down the line in right field. Bour is hitting .361/.409/.607 with four home runs and nine RBI in 61 at-bats this season.
Description: Don't expected Rockies first baseman Justin Morneau back anytime soon.
Insight: Given Morneau's past history with concussions, this should not be a surprise. he was just placed on the 15-day disabled list, from the 7-day concussion list, while dealing with a cervical strain and concussion symptoms. Wilin Rosario and Ben Paulsen will share in his workload.
Description: Giants first baseman Brandon Belt was 2-for-4 with a home run and two runs in the, 7-0, victory over the Braves on Thursday.
Insight: It is hard to believe that at one point this was a 0-0 ballgame in the seventh. Belt's solo bomb in the seventh broke the scoreless tie, then San Francisco added six runs in the eighth. Belt is hitting .305 in six home runs and 21 RBI in 151 at-bats this season.
Description: White Sox first baseman Adam LaRoche hit a two-run home run in the, 6-3, loss to the Orioles in the second game of a double header on Thursday.
Insight: LaRoche had three hits in the first game and capped off the double header with a two-run bomb in the second game. LaRoche had three RBI on the day and is hitting .241 with five home runs and 20 RBI this season.
Description: Orioles first baseman Chris Davis hit a two-run homer in the first game of a double header against the White Sox on Thursday.
Insight: Baltimore was trailing Chicago by three in the ninth when Davis his his two-run bomb with two outs. The Orioles still lost, 3-2. Davis went 1-for-4 and is hitting .222 with 11 home runs and 29 RBI in 158 at-bats this season.
Description: Cardinals first baseman Matt Adams will likely miss 3-4 months due to his strained right quad.
Insight: It has not been decided whether or not Adams will need surgery, but either way, he could miss the rest of the year. Mark Reynolds will be the Cardinals every day first baseman for the time being.
Description: White Sox first baseman Jose Abreu went 1-for-5 on Tuesday, but he did have a three-run homer, four RBI and two runs in the loss to the Blue Jays.
Insight: Abreu also struck out three times, so he was feast or famine on Tuesday. Abreu has disappointed fantasy owners a bit, hitting just .274, but he does have eight home runs and 27 RBI in 164 at-bats.
Description: Is it time to start downgrading White Sox first baseman Jose Abreu?
Insight: Abreu is batting .277 this season with just seven homers and 23 RBI. Through the same 41 games last season he was batting .272, but with 14 homers and 38 RBI. In particular, he's struggling against left-handed pitching, batting just .214 after feasting on southpaws in 2014.
Description: Rays first baseman James Loney has been placed on the disabled list with a broken finger.
Insight: Loney has never been a great fantasy option because of his lack of power, but he was hitting .275 with 11 RBI and 11 runs in 30 games. The Rays likely will use a combination of players to replace Loney.
Description: Tigers first baseman Miguel Cabrera is not in Monday's starting lineup versus Oakland and right-hander Jesse Hahn.
Insight: Cabrera is on a 12-game hitting streak, including a doule and home run on Sunday. He is slashing .344/.446/.613 with 11 home runs and 32 RBI in 163 at-bats this season. Cabrera should be back in the lineup on Tuesday.
Description: Red Sox first baseman Mike Napoli appears to be finally finding his stroke as he hit another home run and doubled versus the Angels on Sunday.
Insight: Napoli hit a pair of bombs on Saturday and one on Friday, so he has four in three games. Napoli's home run was a two-run blast, and he drove in two more on a double in the eighth. Boston won, 6-1. Napoli is 9-for-21 with five home runs in the last six games.
Description: Pirates first baseman Pedro Alvarez is getting an off day on Sunday versus the Mets.
Insight: New York is starting lefty Jon Niese, so this should be expected. Alvarez very rarely starts against lefties. That's too bad because Alvarez has two home runs this week. Sean Rodriguez is starting at first base.
Description: Cubs first baseman Anthony Rizzo had an incredible night in Arizona as Chicago beat the Diamondbacks, 9-6, on Saturday.
Insight: Rizzo hit the game-winning three-run homer in the ninth. He also had a three-run double in the fifth, so he was 2-for-5 with six RBI. Rizzo is hitting .322 with nine home runs and 29 RBI in 152 at-bats this season.
Description: Red Sox first baseman Mike Napoli hit a pair of bombs in the, 8-3, victory over the Angels on Saturday.
Insight: His second home run gave Boston the lead for good. Napoli went 2-for-3 in the game with three RBI and two runs. He also walked. Perhaps this will get Napoli going. He is hitting just .193 with seven home runs and 17 RBI in 135 at-bats this season.
Description: Giants first baseman Brandon Belt had a two-run double in the, 10-8, victory in the first game of a doubleheader against the Rockies on Saturday.
Insight: Belt hit his double to deep left center to score Joe Panik and Angel Pagan. Belt also had a single as he went 2-for-5 in the game. Belt is hitting .320 with four home runs and 18 RBI in 128 at-bats this season.
Description: Phillies first baseman Ryan Howard went 3-for-5 with a home run, two RBI and two runs in the, 8-1, rout against the Nationals on Saturday.
Insight: Howard hit an RBI-double in the third and a a solo home run in the fifth. After hitting just .194 in April, Howard is slashing .319/.364/.625 with six home runs and 13 RBI in May. His season totals are up to .268 average, 10 home runs and 23 RBI in 149 at-bats.
Description: Pirates first baseman Pedro Alvarez hit another bomb, his eighth of the season, as Pittsburgh beat the New York Mets, 8-2, on Saturday.
Insight: Alvarez was 2-for-4 with a solo home run. He also had an RBI-double. Alvarez hits his homers in bunches, and he has three in the last seven games, so he is a great daily option for the time being.
Description: Rangers first baseman Prince Fielder went 3-for-4 with a home run, three RBI and three runs in the, 15-4, victory over the Yankees on Saturday.
Insight: Fielder drove in two runs on a single in the third, which opened the flood gates. Texas scored 10 runs in that frame. Fielder also hit a two-run bomb in the seventh. He has three bombs in the last two days. Fielder is hitting .351 with eight home runs and 30 RBI in 171 at-bats this season.
Description: Blue Jays outfielder Chris Colabello hit a solo home run in the, 3-2, loss to the Mariners on Saturday.
Insight: Colabello has a four-game hitting streak and has two straight games with a homer. He is hitting .379 with three home runs and 10 RBI in 66 at-bats this season. Colabello might be worth a look in deeper leagues.
Description: Tigers first baseman Miguel Cabrera is a career 9-for-16 (.563) against Houston starter Scott Feldman.
Insight: Even for Cabrera that's pretty good. Miggy is currently on an eight-game hitting streak to raise his average to .331 with 10 homers, 30 RBI and 23 runs scored. He's a good choice on most days and a great choice on Thursday afternoon.
Description: Dodgers first baseman Adrian Gonzalez went 1-for-3 with a walk versus the Giants on Tuesday.
Insight: Los Angeles, though, was shut out, so Gonzalez wasn't able to score or drive in a run. Gonzalez is having a great season, slashing .355/.430/.674 with nine home runs and 32 RBI in 138 at-bats this season.
Description: Twins first baseman Joe Mauer had a three-run single in the second inning as Minnesota beat Pittsburgh, 8-5.
Insight: On a 3-2 pitch, Mauer hit a ground ball to where the shortstop normally would be, but with the Pirates in a shift, the hit went down as a single. Brian Dozier was hustling all the way from first and second because Pirates right fielder Starling Marte was a bit lazy with his throw. It all led to a very unusual three-run single. Mauer is hitting .282 with no home runs and 23 RBI in 149 at-bats this season.