Grandal was selected to the 2012 MLB All-Star Futures Game and posted a .310/.408/.487 slashline in four minor league seasons from 2010-13 in the Reds and Padres organizations. The native of Cuba was originally selected by the Reds in the first round (12th overall) in the 2010 First-Year Player Draft out of the University of Miami and then acquired by San Diego from Cincinnati on Dec. 17, 2011 in a five-player deal.
Wieland, 24, has gone 35-22 with a 3.27 ERA in 95 games (86 starts) in seven minor league seasons in the Rangers and Padres organizations from 2008-14. As a minor leaguer, he posted a 5.16 strikeout-to-walk ratio and averaged nearly a strikeout per inning, with 444 Ks and only 86 walks in 476.2 innings. He made his Major League debut at Dodger Stadium as a member of the Padres on April 14, 2012 and has gone 1-4 with a 5.31 ERA in nine big league games (seven starts) in 2012 and 2014. He missed the second half of the 2012 season and all of the 2013 campaign due to Tommy John surgery.
Wieland, pronounced WEE-lend, was acquired by San Diego along with Robbie Erlin in exchange for Mike Adams at the trade deadline in 2011, his best professional season. He was selected as a Single-A Carolina League mid-season All-Star and a Double-A Texas League post-season All-Star that year after going a combined 13-4 with a 1.97 ERA in 26 games (25 starts) with Double-A Frisco, Double-A San Antonio and Single-A Myrtle Beach. The Reno, NV, native was originally selected by the Rangers in the fourth round of the 2008 First-Year Player Draft.
Eflin, 20, has gone 17-14 with a 3.41 ERA in 50 career games (49 starts) in three minor league seasons in the San Diego organization after being selected by the club in the first round (33rd overall) of the 2012 First-Year Player Draft. The Florida native went 10-7 with a 3.80 ERA in 24 starts last year for Single-A Lake Elsinore, posting a 3.0 strikeout-to-walk ratio (93 SO/31 BB) in 128.0 innings.
Kemp, 30, has a .292 career batting average with 182 home runs and 648 RBI in 1,116 games in nine seasons with Los Angeles. The two-time All-Star and 2011 NL MVP runner up was originally selected by the club in the sixth round of the 2003 First-Year Player Draft.
Federowicz, 27, appeared in 89 big league games with the Dodgers from 2011-14, batting .194 with five home runs and 22 RBI. He was originally acquired by Los Angeles from Boston at the 2011 trade deadline in a four-player minor league deal.