Here is a list of players who are starting the season with a new team and how they did in their debut. Feel free to add any that you deem important.
Aaron Rowand, SF Giants: 2-3
Andruw Jones, LA Dodgers: 1-4
Miguel Cabrera, Detroit Tigers: 1-5 with 1 RBI and 1 HR
Jose Guillen, KC Royals: 0-5 with 2 K's and 1 OF assist
Edgar Renteria, Detroit Tigers: 1-5 with 1 RBI and 3 K's
Johan Santana, NY Mets: 7 IP, 2 ER and 8 SO
Eric Gagne, Milwaukee Brewers: 1 IP, 3 ER and a BS.
Kosuke Fukudome, Chicago Cubs: 3-3 with 3 RBI and 1 HR
Nick Swisher, Chicago White Sox: 2-4 with 2 Runs Scored
Adam Jones, Baltimore Orioles: 0-3 with 1 K
Pedro Feliz, Philadelphia Phillies: 0-4 with 2 K's
Eric Bedard, Seattle Mariners: 5 IP, 1 ER, 4 BB and 5 SO.
Torii Hunter, LA Angels: 0-4 with 1 K
Carlos Gomez, Minnesota Twins: 2-3 with 2 stolen bases
Livan Hernandez, Minnesota Twins: 7 IP, 2 ER and 1 SO