PORT ST. LUCIE — The competition for the No. 5 starter job will be in full swing this afternoon when the Mets split up to play an exhibition here against the University of Michigan and a Grapefruit League game in Viera, Fla., versus the Nationals. Four of the five contenders for the fifth spot will be pitching today: Tim Redding, Livan Hernandez, Freddy Garcia and Bobby Parnell. This will mark Redding’s first game appearance of the spring after he was delayed by the effects of offseason toe surgery.

Here is the Mets’ lineup for the 12:10 p.m. exhibition here against the Wilpons’ alma mater:

Luis Castillo 2B

Marlon Anderson LF

Cory Sullivan CF

Bobby Kielty DH

Jose Valentin 3B

Rob Mackowiak RF

Pedro Zapata LF

Brian Schneider C

Emmanuel Garcia SS

Also scheduled to pitch against the Wolverines are Redding, LHP Jon Switzer, LHP Valerio de los Santos, RHP Sean Green, LHP Ron Villone, RHP Connor Robertson and RHP Eddie Kunz.

Meanwhile, here is the lineup for the second squad that is traveling to Viera for Hernandez’s 1:05 p.m. start against the Nationals:

Andy Green 3B

Jeremy Reed CF

Ryan Church RF

Nick Evans 3B

Josh Thole C

Wilmer Flores SS

Gregory Veloz 2B

Sean Ratliff LF

Livan Hernandez RHP

Also scheduled to pitch against Washington are RHP Brandon Knight, RHP Kyle Snyder, RHP Bobby Parnell, RHP Darren O’Day, RHP Brian Stokes and RHP Matt DeSalvo.

Neither game is being televised, although WFAN is broadcasting the game against the Nationals on radio.