| 66 | Michael Marquardt | 6-4 | 260 | DL | - | San Marcos, CA | Rancho Buena High School | 2000-2001 |
| 94 | Michael Marquardt | 6-4 | 260 | DL | - | Vista, CA | Rancho Buena Vista High School | 2001 | 2003-2004 |
| John Markham | 6-2 | 200 | DL | - | Provo, UT | Provo High School | 1946 |
| 55 | Eathyn Manumaleuna | 6-2 | 288 | DL | Senior | Anchorage, AK | Timpview High School | 2007 | 2010-2013 |
| 57 | Daniel Major | 6-3 | 270 | DL | - | Prosperity, SC | Mid Carolina High School | 1999-2000 |
| 97 | Justin Maddux | 6-3 | 267 | DL | - | Monroe, MI | Monroe High School | 2002-2005 |
| 99 | Jared Mack | 6-5 | 223 | DL | - | Thatcher | Eastern Arizona Junior College | 1999-2002 |
| 54 | Kyle Luekenga | 6-3 | 270 | DL | - | West Valley City, UT | Granger High School | 2005-2008 |
| 91 | David Laird | 6-2 | 250 | DL | - | Idaho Falls, ID | Douglas High School | 2012 |
| 93 | Nathan Kolbaba | 6-2 | 279 | DL | - | Wheaton, IL | Wheaton-Warrenville South | 1998 | 2001-2003 |
| 72 | Tim Knight | 6-4 | 270 | DL | - | Burley, ID | | 1982 | 1985-1988 |
| 97 | Theodore King | 6-3 | 252 | DL | Freshman | San Jose, CA | Valley Christian School | 2012-2013 |
| 57 | Moses Kaumatule | 6-1 | 254 | DL | Mission | South Jordan, UT | Bingham High School | 2011 |
| 58 | Steve Kaufusi | 6-4 | 258 | DL | - | Salt Lake City, UT | | 1985-1987 |
| 90 | Bronson Kaufusi | 6-7 | 270 | DL | Sophomore | Provo, UT | Timpview High School | 2012-2013 |
| 70 | Chris Kasper | 6-3 | 264 | DL | - | Windermere, FL | West Orange High School | 1999-2001 |
| 78 | Tuni Kanuch | 6-1 | 285 | DL | Freshman | South Jordan, UT | Bingham High School | 2013 |
| 95 | Kalama Kaluhiokalani | 5-10 | 266 | DL | Junior | Kaneohe, HI | Kamehameha High School | 2010 |
| 91 | Rockey Kalamafoni | 6-2 | 289 | DL | - | Portland, OR | Liahona High School (Tonga) | 2008 |
| 84 | Jan Jorgensen | 6-3 | 259 | DL | - | Helper, UT | Carbon High School | 2005-2009 |
| 99 | Marques Johnson | 6-2 | 321 | DL | Junior | Los Angeles, CA | El Camino Community College | 2012-2013 |
| 94 | David Johnson | 6-3 | 225 | DL | - | Weiser, ID | Weiser High School | 2001-2002 |
| 79 | Mike Jacobsen | 6-3 | 225 | DL | - | Bountiful, UT | Viewmont High School | 1967-1970 |
| Earl Imboden | 6-2 | 240 | DL | - | Long Beach, CA | L.B. Poly | 1946 |
| 68 | John Hunter | 6-8 | 275 | DL | - | North Bend, OR | | 1984-1988 |
BYU Fan Store 
From the archives: Come Back, Jack
Softball signs transfer Mylee Davis
