his only home run of the season. He was a defensive replacement and when he batted in the bottom of the ninth, he hit a walk-off home run off Brandon McCarthy of the Chicago White Sox. Peña ended up playing in 18 games for the Red Sox in 2006. He batted .273 with 1 home run and three RBIs. Following the season, he opted for free agency. Tampa Bay Devil Rays Peña signed a minor league contract with the Tampa Bay Devil Rays on February 1, 2007 with an invitation to spring training. The Rays reassigned Peña to minor league camp. With a knee injury to Greg Norton on the last day of spring training, the Rays re-signed him, this time to a Major League contract on April 1. Peña was on the Rays' active roster throughout the 2007 season. Peña had a slow start to his 2007 season, batting .213 with four home runs in the month of April as a backup player. Peña hit .356 with six home runs and 15 RBIs in May as an everyday player and was the Rays' first baseman for the rest of the season. He had four multi-home run games from August 26 to September 22. Peña would go on to have the best season of his career in 2007 and set numerous career highs. He finished the season with a .282 batting average, 46 home runs and 121 RBIs. His batting average, home runs, and RBIs were career highs, as well as games played (148), at bats (490), runs scored (99), doubles (29), total bases (307), on-base percentage (.411), slugging percentage (.627), walks (103), and strikeouts (142). He was second in the American League in home runs to Alex Rodriguez' 54, and first in at bats per home run (10.7). His home run, RBI, slugging percentage, on-base percentage and walk totals also set Rays franchise records. In 2007, he had the lowest range factor of all AL league first basemen, 8.73. Peña's season led to his being named the 2007 American League Comeback Player of the Year and he was considered as an AL MVP candidate. He also was named the Player's Choice AL Comeback Player of the Year by fellow players. Peña was allowed to donate $20,000 to Dominican youth under the poverty line. In 2008, Peña had .227 batting average and 11 home runs in 207 at-bats through June