Perez, 35 in April, has played for the Mets, the White Sox, St. Louis, and Detroit over parts of 8 seasons, never appearing in more than 136 games. He has amassed 1825 plate appearances over that time, putting up a comforting .308 OBP and .382 SLG %. Perez has seen time at all three OF positions, plus 2 games at first base.
Koronka, 30 in July, has pitched for the Cubs, Texas, and Florida over 4 seasons. The lefty has appeared in 31 games over that time, with a 1.269 WHIP. He has struck out a measly 4.4/9 IP over that time while walking 3.8/9 IP. He has a 5.44 career FIP.
