| Player | POS | Team | NUM | Height | Weight | DOB |
|---|---|---|---|---|---|---|
| Pache, Cristian | LF | ATL | 25 | 6'2" | 215 lbs | Nov 19, 1998 |
| Paddack, Chris | SP | SD | 59 | 6'5" | 217 lbs | Jan 8, 1996 |
| Pagan, Emilio | RP | SD | 14 | 6'2" | 208 lbs | May 7, 1991 |
| Panik, Joe | 2B | MIA | 12 | 6'1" | 205 lbs | Oct 30, 1990 |
| Paredes, Isaac | 3B | DET | 19 | 5'11" | 213 lbs | Feb 18, 1999 |
| Park, Hoy Jun | SS | PIT | 68 | 6'1" | 175 lbs | Apr 7, 1996 |
| Parker, Blake | RP | CLE | 53 | 6'3" | 225 lbs | Jun 19, 1985 |
| Parra, Gerardo | LF | WAS | 88 | 5'11" | 210 lbs | May 6, 1987 |
| Patino, Luis | SP | TB | 61 | 6'1" | 192 lbs | Oct 26, 1999 |
| Patton, Spencer | RP | TEX | 61 | 6'1" | 200 lbs | Feb 20, 1988 |
| Paxton, James | SP | SEA | 44 | 6'4" | 227 lbs | Nov 6, 1988 |
| Payamps, Joel | RP | KC | 38 | 6'2" | 225 lbs | Apr 7, 1994 |
| Pearson, Nate | SP | TOR | 24 | 6'6" | 250 lbs | Aug 20, 1996 |
| Pederson, Joc | CF | ATL | 22 | 6'1" | 220 lbs | Apr 21, 1992 |
| Peralta, David | LF | ARI | 6 | 6'1" | 220 lbs | Aug 14, 1987 |
| Peralta, Freddy | SP | MIL | 51 | 5'11" | 199 lbs | Jun 4, 1996 |
| Peralta, Wandy | RP | NYY | 58 | 6'0" | 217 lbs | Jul 27, 1991 |
| Peralta, Wily | RP | DET | 58 | 6'1" | 255 lbs | May 8, 1989 |
| Peraza, Jose | SS | NYM | 18 | 6'0" | 210 lbs | Apr 30, 1994 |
| Perdomo, Angel | RP | MIL | 47 | 6'8" | 265 lbs | May 7, 1994 |
| Perdomo, Geraldo | SS | ARI | 2 | 6'2" | 203 lbs | Oct 22, 1999 |
| Perez, Cionel | RP | CIN | 43 | 5'11" | 162 lbs | Apr 21, 1996 |
| Perez, Martin | SP | BOS | 54 | 6'0" | 200 lbs | Apr 4, 1991 |
| Perez, Michael | C | PIT | 5 | 5'10" | 195 lbs | Aug 7, 1992 |
| Perez, Roberto | C | CLE | 55 | 5'11" | 220 lbs | Dec 23, 1988 |
| Perez, Salvador | C | KC | 13 | 6'3" | 255 lbs | May 10, 1990 |
| Peters, Dillon | RP | PIT | 38 | 5'11" | 190 lbs | Aug 31, 1992 |
| Peters, DJ | CF | TEX | 38 | 6'6" | 225 lbs | Dec 12, 1995 |
| Peterson, David | SP | NYM | 46 | 6'6" | 240 lbs | Sep 3, 1995 |
| Peterson, Jace | 2B | MIL | 14 | 6'0" | 215 lbs | May 9, 1990 |
| Petit, Yusmeiro | RP | OAK | 36 | 6'1" | 252 lbs | Nov 22, 1984 |
| Pham, Tommy | CF | SD | 28 | 6'1" | 223 lbs | Mar 8, 1988 |
| Phelps, David | RP | TOR | 35 | 6'2" | 198 lbs | Oct 9, 1986 |
| Phillips, Brett | CF | TB | 35 | 6'0" | 195 lbs | May 30, 1994 |
| Phillips, Evan | RP | LAD | 59 | 6'2" | 215 lbs | Sep 11, 1994 |
| Pillar, Kevin | CF | NYM | 11 | 6'0" | 200 lbs | Jan 4, 1989 |
| Pina, Manny | C | MIL | 9 | 6'0" | 222 lbs | Jun 5, 1987 |
| Pinder, Chad | 2B | OAK | 4 | 6'2" | 210 lbs | Mar 29, 1992 |
| Pineda, Michael | SP | MIN | 35 | 6'7" | 280 lbs | Jan 18, 1989 |
| Piscotty, Stephen | RF | OAK | 25 | 6'4" | 211 lbs | Jan 14, 1991 |
| Pivetta, Nick | SP | BOS | 37 | 6'5" | 214 lbs | Feb 14, 1993 |
| Plawecki, Kevin | C | BOS | 25 | 6'2" | 208 lbs | Feb 26, 1991 |
| Plesac, Zach | SP | CLE | 34 | 6'3" | 220 lbs | Jan 21, 1995 |
| Poche, Colin | RP | TB | 38 | 6'3" | 225 lbs | Jan 17, 1994 |
| Polanco, Jorge | SS | MIN | 11 | 5'11" | 208 lbs | Jul 5, 1993 |
| Pollock, A.J. | CF | LAD | 11 | 6'1" | 210 lbs | Dec 5, 1987 |
| Pomeranz, Drew | RP | SD | 15 | 6'5" | 246 lbs | Nov 22, 1988 |
| Ponce, Cody | SP | PIT | 44 | 6'6" | 255 lbs | Apr 25, 1994 |
| Ponce de Leon, Daniel | RP | STL | 32 | 6'3" | 200 lbs | Jan 16, 1992 |
| Pop, Zach | RP | MIA | 56 | 6'4" | 220 lbs | Sep 20, 1996 |
| Poppen, Sean | RP | ARI | 64 | 6'3" | 210 lbs | Mar 15, 1994 |
| Posey, Buster | C | SF | 28 | 6'1" | 213 lbs | Mar 27, 1987 |
| Poteet, Cody | SP | MIA | 72 | 6'1" | 190 lbs | Jul 30, 1994 |
| Pressly, Ryan | RP | HOU | 55 | 6'2" | 206 lbs | Dec 15, 1988 |
| Price, David | RP | LAD | 33 | 6'5" | 215 lbs | Aug 26, 1985 |
| Profar, Jurickson | LF | SD | 10 | 6'0" | 184 lbs | Feb 20, 1993 |
| Pujols, Albert | 1B | LAD | 55 | 6'3" | 235 lbs | Jan 16, 1980 |
